Nalanda

Argue

Take a position, fairly

Ideologies and contested ideas, each with its strongest case and its strongest objection set side by side, so you can argue a view you understand rather than one you inherited.

213 entries

Ideology

Absolute Monarchy

The doctrine that legitimate political power should be concentrated, whole and unchecked, in a single hereditary monarch.

11 min

Concept

Act Utilitarianism

The right act is whichever one, in this particular situation, produces the most overall good.

8 min

Thinker

Adam Smith

The moral philosopher who gave the modern world its first systematic account of how markets work, and why they can serve the common good without anyone intending it.

9 min

Tradition

Advaita Vedanta

Only Brahman is ultimately real; the world of difference is appearance, and your innermost self is not separate from the absolute but identical with it.

12 min

Thinker

Alexis de Tocqueville

The French aristocrat who saw, earlier and more clearly than anyone, both the promise and the peril of democratic equality.

10 min

Concept

Alienation

The condition in which people are separated from their own labor, its products, their human potential, and each other by the structure of economic life.

7 min

Thinker

Amartya Sen

The economist and philosopher who reframed development as the expansion of human capabilities and freedoms, not the growth of national income.

10 min

Ideology

Anarchism

The claim that the state is not a necessary evil but an unnecessary one: that human society can be ordered by voluntary cooperation rather than by centralized coercion.

12 min

Ideology

Anarcho-Capitalism

The claim that no state is legitimate, and that every service the state provides, including law, courts, and defense, can be sold on a competitive market.

11 min

Ideology

Anarcho-Communism

Abolish the state and private property together, and let free communes distribute by need rather than by wage or price.

11 min

Ideology

Anarcho-Syndicalism

A revolutionary form of socialism in which workers seize and run the economy directly through their own federated unions, dispensing with the state altogether.

11 min

Thinker

Antonio Gramsci

The Marxist thinker who argued that ruling classes maintain power less through force than through cultural and intellectual leadership, a dominance he called hegemony.

9 min

Concept

Arguments for the Existence of God

The three great proofs of natural theology: that the world needs a first cause, that God is a being whose very concept entails existence, and that design implies a designer.

10 min

Ideology

Aristocracy

Rule by the best: government entrusted to a hereditary or qualified elite held to possess the virtue and judgment the many lack.

11 min

Thinker

Aristotle

The philosopher who tried to organize all of knowledge, from logic and biology to ethics and politics, by starting from what can be observed rather than from a realm of perfect Forms.

11 min

Ideology

Authoritarianism

Rule by concentrated power with little political pluralism and weak accountability, but short of the total control of private life that totalitarianism seeks.

11 min

Concept

Authority

Authority is the recognized right to command and be obeyed, distinct from mere power because it rests on a claim to legitimacy.

7 min

Concept

Beams, columns, and buckling

A long slender member loaded in compression can suddenly bow sideways and collapse at a load far below the load that would simply crush its material, and buckling is the study of when and why.

7 min

Tradition

Behaviorism

The movement that tried to make psychology a science of observable behavior alone, ruling the mind out of its own subject matter until the mind forced its way back in.

12 min

Mental model

Blue Ocean Strategy

Stop fighting rivals in a crowded market; create uncontested market space where competition does not yet exist, by delivering differentiation and low cost at once.

8 min

Ideology

Capitalism

An economic system in which capital is privately owned and deployed for profit, and markets, not planners, coordinate what gets produced.

13 min

Concept

Care Ethics

Morality is not first about impartial rules but about attending to, and taking responsibility for, the people we are actually bound to.

8 min

Concept

Ceramics and glasses

Ceramics and glasses are stiff and heat-resistant because their bonds are strong and directional, but that same directionality gives them no way to yield, so their real strength is set by the size of their worst flaw rather than by bond strength, and they carry compression far better than tension.

7 min

Concept

Checks and Balances

Each branch of government holds specific powers to restrain the others, so that no single center of authority can dominate.

7 min

Ideology

Civic Republicanism

Freedom is not a possession you hold in private; it is an achievement that survives only where citizens actively govern themselves.

12 min

Concept

Class Struggle

The claim that the conflict between those who own the means of production and those who work them is the central dynamic of history.

7 min

Ideology

Classical Liberalism

The doctrine that the individual is the basic moral unit, free by right, and that government exists only to secure that freedom under law, and no further.

12 min

Ideology

Collectivism

The family of views that treats the group, not the individual, as the primary unit of value, agency, or explanation.

11 min

Ideology

Communism

The goal of a classless, stateless, moneyless society of common ownership, and the movements, humane and murderous alike, that pursued it.

13 min

Ideology

Communitarianism

The self is not a free-floating chooser but is constituted by community, tradition, and shared goods, so a good society must cultivate them, not merely stay neutral among them.

11 min

Concept

Commutative, associative, and distributive structure

The commutative, associative, and distributive laws state precisely which rearrangements of an arithmetic expression are guaranteed to leave its value unchanged, and part of what makes an operation interesting is which of these guarantees it fails.

7 min

Ideology

Confederalism

A union of states that keep their sovereignty and lend the center only the powers they choose, retaining the right to take them back.

11 min

Thinker

Confucius

The teacher who held that a good society is built not by law or force but by cultivated people fulfilling their roles with humaneness and ritual grace.

11 min

Concept

Consequentialism

The family of moral theories holding that an act is right if and only if it produces the best consequences, and nothing else about it matters.

9 min

Ideology

Conservatism

Not a blueprint for the good society but a disposition to prefer the tried to the untried, and to reform inheritances rather than replace them.

12 min

Ideology

Constitutional Monarchy

A monarch reigns as head of state within limits fixed by a constitution, while real power rests with an elected government.

11 min

Ideology

Constitutionalism

The principle that government power is defined and limited by a fundamental law, standing above ordinary politics and enforced against the state itself.

11 min

Concept

Constructivism in International Relations

Anarchy is what states make of it: the interests, threats, and structures of world politics are built out of shared ideas and identities, not fixed by material power alone.

10 min

Concept

Contractarianism

Morality and politics as the output of a bargain: rules that self-interested rational agents would agree to because each does better inside the agreement than out.

7 min

Concept

Contractualism

An act is wrong if it violates any principle that no one could reasonably reject.

9 min

Ideology

Corporatism

Society organized not as isolated individuals but as functional bodies (labour, capital, professions) bargaining with each other and the state.

9 min

Ideology

Council Communism

The Marxist current that rejected both the reformist party and the vanguard party, holding that workers' councils are themselves the organs of revolution and of rule.

11 min

Concept

Creative Destruction

Capitalism progresses by destroying what it has built, as new innovations render old industries, firms, and methods obsolete.

7 min

Concept

Cross product as oriented area and rotation

The cross product of two vectors is a third vector, perpendicular to both, whose length equals the area of the parallelogram they span and whose direction, fixed by a right hand convention, records the sense of rotation from the first vector to the second.

7 min

Tradition

Daoism

The way of the Dao: to align with the nameless source of all things by ceasing to force, and to let action arise of itself.

12 min

Thinker

David Hume

The arch-empiricist who showed that our belief in cause, in the self, and in the future rests not on reason but on habit.

12 min

Thinker

David Ricardo

The stockbroker who turned political economy into a deductive science, giving the world the theory of comparative advantage and the most rigorous classical account of distribution.

9 min

Concept

Democratic Peace Theory

The most-tested regularity in international relations: liberal democracies almost never go to war with one another, though they fight non-democracies as readily as anyone.

10 min

Ideology

Democratic Socialism

Socialism reached and kept by democratic means: not managing capitalism, but democratizing the economy itself.

11 min

Concept

Deontology

The view that some acts are right or wrong in themselves, by their conformity to duty, regardless of their consequences.

10 min

Concept

Dependency Theory

Poor countries are not simply behind; they are kept poor by the very way they are plugged into the world economy.

10 min

Ideology

Direct Democracy

Rule in which citizens make the laws and decide policy themselves, rather than delegating the decision to elected representatives.

11 min

Ideology

Distributism

A third way between capitalism and socialism that seeks to distribute productive property as widely as possible, so that most people own the means of their own living.

11 min

Concept

Divine Command Theory

The view that what makes an act morally obligatory is that God commands it, and what makes it wrong is that God forbids it.

9 min

Thinker

Edmund Burke

The first great theorist of conservatism, who argued that inherited institutions embody a wisdom that abstract reason cannot replace.

8 min

Concept

Emotivism

The theory that moral statements do not describe facts but express feeling and work on the feelings of others: 'stealing is wrong' means, roughly, 'Boo to stealing.'

8 min

Concept

Entrepreneurial Alertness

Entrepreneurship is not managing resources or bearing risk but being alert to profit opportunities that everyone else has failed to notice.

8 min

Concept

Equality

The claim that persons are alike in some fundamental respect and that this likeness demands corresponding treatment.

7 min

Concept

Equality of Opportunity

The principle that a person's prospects should depend on their own choices and abilities, not on the circumstances of their birth.

7 min

Concept

Equality of Outcome

The principle that a just society should aim for roughly equal distribution of goods, wealth, or welfare among its members.

7 min

Concept

Error Theory

Moral claims try to state objective facts, but there are no objective values, so every positive moral claim is false.

8 min

Primary text

Essence of Decision

Why a state acted depends on which model you use to look at it: a unified rational chooser, a bundle of organizational routines, or a bargain among bureaucratic players.

10 min

Concept

Eudaimonia

The human good is not a feeling of happiness but a whole life lived well, in activity that expresses excellence of character and mind.

9 min

Tradition

Existentialism

There is no fixed human essence handed down in advance; we exist first and then, through free choice, make ourselves what we are, and must invent our own meaning in a world that supplies none.

11 min

Ideology

Fascism

A revolutionary ultranationalism that promises a nation's rebirth through a total state, a supreme leader, and the cult of violence, and that in power delivered dictatorship and war.

12 min

Ideology

Federalism

A single country in which sovereignty is divided by a written constitution between a central government and constituent units, each supreme within its own sphere.

11 min

Tradition

Feminist International Relations

The claim that international relations theory only looks universal because it hides the women who sustain it and mistakes a masculine account of power for the whole of world politics.

12 min

Ideology

Feudalism

The medieval European order in which land was held in return for service, binding lords, vassals, and laboring peasants in a chain of reciprocal obligation.

11 min

Ideology

First-Wave Feminism

The movement to win women's legal and political equality, above all the vote and the right to hold property.

11 min

Thinker

Friedrich Engels

Co-architect of Marxism, empirical chronicler of industrial capitalism, and the thinker who shaped how the world received Marx's ideas.

9 min

Thinker

Friedrich Hayek

The economist and philosopher who argued that dispersed knowledge makes central planning impossible and that freedom depends on the rule of law, not the rule of planners.

10 min

Thinker

Friedrich Nietzsche

The philosopher who diagnosed the death of God and asked what humanity could become once it stopped pretending its values came from anywhere but itself.

12 min

Ideology

Georgism

The value of land is created by the community, not the owner, so it should be taxed away and used for public needs, while labor and capital are left untaxed.

11 min

Tradition

Gestalt Psychology

The claim that perception and thought are organized into structured wholes that cannot be built up from separate sensory parts.

12 min

Ideology

Green Political Theory

Politics reorganized around the recognition that the economy sits inside a finite biosphere, and that nature and future generations have standing.

11 min

Thinker

Hannah Arendt

A political thinker who insisted that the capacity to act freely in public, not economics or history, is the core of political life.

10 min

Concept

Hedonism

The claim that pleasure, or the absence of pain, is the only thing good in itself.

8 min

Concept

Hegemony

Hegemony is the dominance of one group over others, secured less by force than by making the ruling order appear natural and inevitable.

7 min

Concept

Human Rights

Moral claims that belong to every human being simply because they are human, prior to and independent of any government's grant.

7 min

Ideology

Illiberal Democracy

A system that keeps the vote but strips out the limits: elections continue while the free press, the courts, minority rights, and the rule of law are hollowed from within.

11 min

Thinker

Immanuel Kant

The philosopher who argued that the mind actively shapes experience, and that morality is a law reason gives to itself.

12 min

Ideology

Individualist Anarchism

The strand of anarchism that begins from the sovereign individual and refuses any authority, collective or state, that the individual has not chosen.

11 min

Thinker

Jean-Jacques Rousseau

The philosopher who argued that human beings are naturally good but corrupted by society, and that legitimate political authority rests on the collective self-rule of citizens through the general will.

9 min

Thinker

Jeremy Bentham

The philosopher who made happiness measurable and insisted that law and morality serve nothing higher than human (and animal) well-being.

9 min

Thinker

John Kenneth Galbraith

The economist who argued that affluent capitalism's deepest failure is not scarcity but the misdirection of abundance toward private goods and away from public needs.

9 min

Thinker

John Locke

The philosopher who grounded government in consent and individual rights, shaping the liberal tradition more than any other single thinker.

10 min

Thinker

John Maynard Keynes

The economist who argued that markets can fail catastrophically and that governments must act to restore employment.

9 min

Thinker

John Rawls

The philosopher who revived political philosophy by asking how free and equal people could agree on the terms of a just society.

12 min

Thinker

Joseph Schumpeter

The economist who saw capitalism as a system defined not by equilibrium but by the perpetual upheaval of creative destruction.

9 min

Tradition

Just War Theory

A tradition that treats war as sometimes justified but always bound by rules: rules for when you may fight, and rules for how you may fight.

11 min

Concept

Justice

The attempt to answer what people are owed and why, and to build institutions that deliver it.

7 min

Thinker

Karl Marx

The thinker who recast history as a struggle between economic classes and diagnosed capitalism as a self-undermining system built on exploited labor.

12 min

Ideology

Keynesianism

The claim that total spending, not thrift, drives output and jobs, so government can and should steady the economy when private demand fails.

12 min

Concept

Legal Positivism

The view that whether something is law is a matter of social fact, not moral merit: legal validity and moral worth are separate questions.

10 min

Ideology

Leninism

Marxism rebuilt around a disciplined revolutionary party that seizes state power in capitalism's weakest link and rules in the name of the working class.

12 min

Ideology

Liberal Democracy

Majority rule fenced in by individual rights: the people choose their rulers, but the rulers cannot do just anything the majority wants.

11 min

Tradition

Liberalism in International Relations

The claim that anarchy among states can be tamed: trade, shared republican values, and international institutions make cooperation and even peace possible where realism sees only recurring conflict.

11 min

Ideology

Libertarianism

The political philosophy that liberty is the highest value, that individuals own themselves, and that the state must be kept as small as protecting those rights allows.

12 min

Concept

Liberty

Liberty is the condition in which a person is not subject to interference, domination, or constraint by others in matters that are properly their own.

7 min

Ideology

Maoism

A revolution built not on the industrial worker but on the poor peasant, seized through protracted guerrilla war and kept permanently boiling by mass campaigns from above.

12 min

Ideology

Market Socialism

Keep the market as the way goods get allocated, but move the ownership of firms out of private hands and into workers or the public.

12 min

Ideology

Marxism

A theory that history is driven by class struggle over the means of production, that capitalism exploits labor and sows the seeds of its own collapse, and that this points toward a classless society.

13 min

Ideology

Marxism-Leninism

The official ideology of the Soviet state: Marx's theory of history refitted with Lenin's vanguard party and codified under Stalin into a doctrine of one-party rule.

12 min

Ideology

Mercantilism

The early-modern doctrine that a nation grows rich by hoarding gold and silver through trade surpluses, protected tariffs, and state-chartered monopolies.

11 min

Ideology

Meritocracy

The rule that positions and rewards should go to the able and the hardworking rather than to the well born or the well connected.

11 min

Concept

Metals and alloys

A metal bends and does not shatter because its atoms are held together by a nondirectional sea of shared electrons that lets whole planes of atoms slide past each other, and every practical way of strengthening a metal works by making that sliding harder.

7 min

Thinker

Michel Foucault

The philosopher who argued that power does not merely repress us but produces us, manufacturing the subjects, truths, and normalities we take for granted.

12 min

Thinker

Mikhail Bakunin

The father of revolutionary anarchism, who made the destruction of the state the center of radical politics.

9 min

Thinker

Milton Friedman

The economist who made the case that free markets and sound money, not government planning, are the surest path to broad prosperity.

9 min

Ideology

Minarchism

The state should do only what protects rights: police, courts, and defense, and nothing more.

11 min

Ideology

Modern Liberalism

The liberalism that kept individual liberty as its goal but decided that real freedom needs a material floor, and so accepted the welfare state and the mixed economy.

12 min

Ideology

Modern Monetary Theory

A government that issues its own currency can never run out of it, so the real limit on public spending is inflation and idle resources, not the risk of going broke.

11 min

Mental model

Modernization Theory

The claim that the richer a country becomes, the more likely it is to become and stay a democracy.

8 min

Ideology

Monetarism

Money drives prices: control the growth of the money supply by a steady rule and you tame inflation, where discretionary fine-tuning fails.

11 min

Thinker

Montesquieu

The thinker who argued that political liberty depends on the structural separation of governmental powers.

8 min

Concept

Moral Anti-Realism

The family of views denying that there are objective moral facts: our moral talk expresses attitudes, constructs standards, or is systematically false.

9 min

Concept

Moral Nihilism

The view that there are no moral facts, so no action is really right or wrong.

9 min

Concept

Moral Realism

The view that there are objective moral facts, true or false independently of what anyone thinks or feels.

9 min

Thinker

Murray Rothbard

The economist and philosopher who pushed libertarianism to its logical extreme, arguing that every function of the state could and should be replaced by voluntary market arrangements.

9 min

Ideology

Mutualism

A stateless economy of independent producers who trade as equals, own only what they use, and lend to one another at cost.

11 min

Ideology

National Conservatism

A contemporary right that fuses cultural traditionalism with national sovereignty, set against globalism and rule by experts.

11 min

Ideology

Nationalism

The claim that humanity is divided into nations, that the nation is the primary object of political loyalty, and that each nation should govern itself.

12 min

Concept

Natural Rights

The claim that certain rights belong to every person by nature, prior to any government or law.

7 min

Ideology

Nazism

A German racial and genocidal variant of fascism that built a total state to wage a war of conquest and to murder Europe's Jews.

12 min

Concept

Negative Utilitarianism

The view that reducing suffering matters more than promoting happiness, or matters exclusively.

8 min

Concept

Neoliberal Institutionalism

Self-interested states, though they answer to no world government, can still cooperate because institutions cut the costs and risks of dealing with one another.

9 min

Ideology

Neoliberalism

The twentieth-century revival of market liberalism: free markets, free trade, sound money, and a state that clears the way rather than steers the economy.

11 min

Ideology

Oligarchy

Rule by the few, most often the wealthy, exercised in their own interest rather than the common good.

10 min

Ideology

One-Nation Conservatism

A conservatism that holds the propertied classes to a duty of care for the poor, so that the nation does not fracture into two.

11 min

Concept

Paradigms and Scientific Revolutions

Science does not grow by steady accumulation but by long stretches of settled puzzle-solving punctuated by revolutions that overthrow the framework itself.

10 min

Thinker

Peter Kropotkin

The anarchist prince who argued that cooperation, not competition, is the primary engine of evolution and the natural basis for a stateless society.

9 min

Concept

Phronesis

The practical wisdom to see what a particular situation calls for and to act well in it, which no rulebook can fully replace.

8 min

Thinker

Pierre-Joseph Proudhon

The first person to call himself an anarchist, who argued that property is theft, government is tyranny, and free association among equals is the only legitimate basis for social order.

8 min

Ideology

Plutocracy

Rule by the wealthy: a system in which money translates, directly or indirectly, into political power.

11 min

Tradition

Political Realism

The tradition that treats international politics as a struggle for power among states in a world with no ruler above them, where survival, not virtue, is the first law.

12 min

Concept

Polymers and elastomers

A polymer is a tangle of long chain molecules whose backbone is strongly bonded but whose chains are held to each other only weakly, so the same chemical family can behave like a rigid solid, a rubber, or a slow-flowing liquid depending on temperature and how tightly the chains are cross-linked.

7 min

Ideology

Populism

A thin politics that splits society into a virtuous people and a corrupt elite, and claims to speak for the people alone.

11 min

Mental model

Porter's Five Forces

An industry's long-run profitability is decided by five structural forces, and strategy is the search for a position where those forces are weak and defensible.

7 min

Mental model

Porter's Generic Strategies

Competitive advantage comes from being the low-cost producer or being different, aimed either broadly or at a niche; try to be everything and you end up stuck in the middle.

9 min

Mental model

Power Laws and Fat Tails

In a power law a handful of events account for most of the total, the distribution has no typical size, and the rare extreme, not the average, is what dominates the outcome and the risk.

8 min

Tradition

Pragmatism

The meaning and truth of an idea lie in its practical consequences: a belief is a rule for action, and inquiry, not correspondence to a fixed reality, is where knowledge is settled.

10 min

Concept

Precision, accuracy, and uncertainty

Precision is how repeatable a measurement is, accuracy is how close it is to the true value, and uncertainty is the honestly stated range within which the true value probably lies.

6 min

Concept

Preference Utilitarianism

Do the most good by satisfying the most preferences, not by maximizing pleasant feelings.

9 min

Concept

Prescriptivism

Moral judgments are not reports or mere expressions of feeling but universal commands: to call an act wrong is to prescribe against it for every relevantly similar case, including your own.

8 min

Thinker

René Descartes

The philosopher who tried to rebuild all knowledge from a single unshakable point, and found it in the one thing doubt could not touch: the doubter.

12 min

Ideology

Representative Democracy

Government in which the people rule not by voting on policies themselves but by electing representatives who govern in their name and answer to them at the next election.

11 min

Ideology

Republicanism

A politics in which rule is a public matter, held in common and without a master, aimed at the common good and secured by the freedom of citizens to live free from domination.

11 min

Concept

Responsibility to Protect

The doctrine that sovereignty carries a duty to protect a population from atrocity, and that when a state fails, that duty passes to the world.

8 min

Concept

Rights

A right is a justified claim that others, including the state, are bound to respect.

7 min

Thinker

Robert Nozick

The philosopher who argued that only a minimal state can be just, because individuals have rights so strong that no pattern of distribution may override them.

11 min

Concept

Rule Utilitarianism

Do not ask what this act would do; ask what would happen if everyone followed the rule it falls under, and follow the rules whose general acceptance would produce the most good.

9 min

Concept

Safety factors and uncertainty

A safety factor is the ratio of the load a part is designed to survive to the load it is actually expected to carry, sized deliberately to absorb the variability in materials, manufacturing, loading, and analysis that no calculation can fully eliminate.

7 min

Ideology

Second-Wave Feminism

The claim that women's inequality lives not only in law but in the everyday structures of home, work, sex, and self: the personal is political.

11 min

Concept

Securitization

Security is not a fact about the world but a move in politics: to call something an existential threat is to claim a license for emergency action.

10 min

Concept

Self-Determination

The claim that a people has the right to govern itself, free from external domination.

7 min

Ideology

Social Democracy

Reform capitalism from within: keep the market, but harness it with a strong welfare state, universal services, and organized bargaining, all pursued by the ballot rather than the barricade.

11 min

Ideology

Social Liberalism

Liberalism that keeps liberty as its end but accepts an active state to secure the material conditions that make liberty real.

11 min

Ideology

Socialism

The conviction that the major means of production should be owned and controlled in common, so that the economy serves human need rather than private profit.

12 min

Concept

Soft Power

Soft power is getting others to want what you want, through the pull of your culture, values, and legitimacy, rather than through force or payment.

8 min

Concept

Sovereignty

Sovereignty is the claim that some authority within a territory has the final and supreme power to make, enforce, and adjudicate law, answerable to no higher earthly power.

7 min

Ideology

Stalinism

The system Joseph Stalin built in the Soviet Union: rapid state-driven industrialization and forced collectivization, enforced by mass terror, a vast prison-camp economy, and a cult of the leader.

12 min

Concept

Structural Realism

State behavior is driven by the structure of an anarchic system and the distribution of power within it, not by human nature or the kind of regime a state has.

10 min

Concept

Surplus Value

Workers produce more value than they are paid; the difference, surplus value, is the source of capitalist profit.

7 min

Ideology

Syndicalism

The doctrine that workers should abolish the state and capitalism through their own industrial unions, using direct action and the general strike rather than the ballot or the party.

11 min

Ideology

Technocracy

Rule, or at least decisive rule-setting, handed to experts and technical criteria rather than to elected generalists or popular will.

10 min

Concept

The Acts and Omissions Distinction

The contested claim that doing harm is morally worse than merely allowing the same harm to happen.

8 min

Ideology

The Austrian School

A tradition holding that a market economy coordinates the dispersed, subjective knowledge of millions through prices, in a way no central planner could match.

12 min

Concept

The Balance of Power

States tend to align against whoever is getting too strong, because no one wants to live at the mercy of a single dominant power.

10 min

Mental model

The Black Swan

A rare, unpredictable, high-consequence event that we insist, only afterward, we should have seen coming.

8 min

Thinker

The Buddha

A teacher who diagnosed suffering as rooted in craving and a mistaken sense of self, and prescribed a disciplined path out of it.

11 min

Concept

The Categorical Imperative

The supreme rule of morality: act only on a principle you could will everyone to follow, and treat every person as an end, never merely as a means.

10 min

Ideology

The Divine Right of Kings

The claim that a king's authority comes straight from God, so he answers to God alone and to no earthly power.

11 min

Concept

The Doctrine of Double Effect

An act with a good and a bad effect can be permissible if the bad effect is foreseen but not intended, is not the means to the good, and is proportionate.

9 min

Experiment

The Drowning Child

If you would ruin your suit to save a child drowning in front of you, why does a child dying far away have a weaker claim on you?

8 min

Tradition

The English School

States form not merely a system but a society, bound by shared institutions that produce order among them without any government above them.

12 min

Experiment

The Euthyphro Dilemma

Is the good good because God commands it, or does God command it because it is good? Either answer costs the believer something.

8 min

Experiment

The Experience Machine

Nozick's machine offers a lifetime of perfect experiences; most people refuse it, which suggests we want more from life than how it feels from the inside.

8 min

Concept

The General Will

The general will is the collective interest of a political community, distinct from the mere sum of private desires, and the only legitimate basis of sovereign authority.

7 min

Mental model

The Globalization Trilemma

Deep economic integration, the nation-state, and democracy cannot all hold at once: pick any two and you must give up the third.

9 min

Concept

The Golden Mean

Each virtue of character is a mean between two vices, one of excess and one of deficiency, and hitting it takes practical wisdom, not arithmetic.

8 min

Concept

The Harm Principle

The only purpose for which power can rightfully be exercised over anyone against their will is to prevent harm to others, never for their own good.

9 min

Mental model

The ideal gas model

Treat gas molecules as tiny, free, colliding points with no attraction between them, and pressure, volume, temperature, and particle count lock together into one simple equation, PV = nRT, that predicts real gas behavior remarkably well until the gas is squeezed cold enough or dense enough to condense.

8 min

Concept

The Invisible Hand

The idea that self-interested action, channeled through competitive markets, can generate social benefit without anyone planning it.

7 min

Concept

The Is-Ought Problem

Hume's observation that no statement about what ought to be done follows logically from statements about what merely is.

8 min

Concept

The Kingdom of Ends

Act as if you were both lawmaker and citizen in a community where every rational being is treated as an end and never merely as a means.

9 min

Concept

The Labor Theory of Value

The claim that the economic value of a commodity is determined by the quantity of socially necessary labor required to produce it.

7 min

Concept

The Leviathan

A commonwealth so powerful that it can overawe all its members, created by their own agreement because the alternative is a war of all against all.

7 min

Mental model

The Normal Distribution

The bell curve: a model of how quantities scatter when they are the sum of many small independent effects, reliable at the center and dangerous when its thin tails are trusted where they do not belong.

8 min

Concept

The Original Position

The imagined choosing situation, behind the veil of ignorance, in which free and equal parties pick the principles that will govern their society.

9 min

Concept

The Problem of Evil

If God is all-powerful, all-knowing, and wholly good, why is there so much suffering?

8 min

Concept

The Rule of Law

The principle that public power must be exercised through general, publicly known rules rather than arbitrary personal command.

6 min

Concept

The Security Dilemma

Under anarchy, the steps a state takes to make itself safer can make others less safe, so they arm in reply and everyone ends up more exposed, even when no one intended harm.

8 min

Concept

The Separation of Powers

Liberty is safeguarded by dividing the powers of government into distinct branches so that no single person or body holds them all.

7 min

Concept

The Social Contract

The idea that political authority is legitimate only because the governed would, or do, agree to it.

11 min

Concept

The State of Nature

A hypothetical condition before government existed, used to ask what justifies political authority at all.

7 min

Concept

The Tragedy of the Commons

A shared resource, left unregulated, tends toward ruin because each user gains by taking more even as collective overuse destroys it.

7 min

Experiment

The Veil of Ignorance

A device for finding just rules: choose the principles of your society without knowing who in it you will be.

9 min

Concept

The Venture Capital Power Law

Venture returns are so skewed that a fund's single best investment usually returns more than all the others combined, so the winning strategy is to maximize exposure to extreme upside, not to avoid loss.

9 min

Ideology

Theocracy

Rule in the name of God, where religious law is the law of the state and clergy either hold power or certify who may.

11 min

Ideology

Third-Wave Feminism

The feminism that abandoned the universal 'woman' for difference, intersectionality, and individual agency.

11 min

Thinker

Thomas Hobbes

He argued that without a sovereign power holding absolute authority, human life would collapse into a war of all against all.

9 min

Thinker

Thomas Paine

The corsetmaker turned revolutionary pamphleteer who told the American colonies to break with monarchy and told the world that government exists only to secure natural rights.

8 min

Thinker

Thorstein Veblen

The sardonic outsider who revealed that economic life is driven less by rational calculation than by status, habit, and the predatory instincts of a leisure class.

9 min

Ideology

Totalitarianism

The attempt to seize total control of society, ideology, and the inner life through one party, terror, propaganda, and an official truth.

11 min

Ideology

Traditionalist Conservatism

Society is an inheritance to be tended, not a machine to be redesigned: reform slowly, distrust abstract blueprints, and keep faith with the dead and the unborn.

11 min

Mental model

Transnational Advocacy Networks

When a government blocks its own citizens, they route around it: appealing to allies abroad who pressure the state from outside, so the demand comes back home like a boomerang.

8 min

Ideology

Trotskyism

The revolutionary Marxism of Leon Trotsky: workers' revolution must be permanent and international, and the Stalinist USSR was a workers' state betrayed by its bureaucracy.

12 min

Concept

Units and dimensional reasoning

A measured number is incomplete without its unit, because the unit names the standard the number is a multiple of, and mismatched units make an equation meaningless regardless of whether the digits agree.

6 min

Concept

Utilitarianism

The right action is the one that produces the greatest happiness for the greatest number, counting everyone's happiness equally.

10 min

Concept

Virtue Ethics

The ethics not of what you should do but of who you should be: good action flows from good character, and the central question is what kind of person to become.

10 min

Thinker

Vladimir Lenin

The theorist and revolutionary who remade Marxism into a doctrine of disciplined party seizure of power, then tested it on the largest country on earth.

9 min

Thinker

Wilhelm Wundt

The founder of psychology as an experimental science, whose disciplined method and two-part program were later flattened into a caricature by the student who claimed to be his heir.

9 min

Mental model

World-Systems Theory

There is one capitalist world-economy, not many national economies climbing the same ladder, and it is built as a single division of labor that enriches a core by draining a periphery.

9 min

Argue · Nalanda