← All essays
Mozi2026-09-04By Anderson#mozi#bentham#utilitarianism#consequentialism#impartiality#ethics

Mozi vs Bentham: Who Really Invented Impartial Care?

視人之國若視其國，視人之家若視其家，視人之身若視其身。 — It is to regard the state of others as one's own, the houses of others as one's own, the persons of others as one's self. (《墨子·兼愛中》, W. P. Mei trans.)

Short answer: Mozi got to impartiality first, and never got to utility at all.

Both men tell you to stop weighting people by how close they are to you. But when they open the ledger, they're adding up different columns. Bentham counts pleasure and pain inside individuals. Mozi counts wealth, population, and order, then adds two rows Bentham doesn't have. Call Mozi "the Chinese Bentham" and you've got the impartiality right and the arithmetic wrong.

Key Takeaways

  • Bentham's standard is one thing: "pain and pleasure" (Principles of Morals and Legislation, Ch. I).
  • Mozi's is three things: 富之、衆之、治之 — enrich, populate, order (《墨子·節葬下》).
  • Mozi's ledger also credits Heaven and the spirits: 「上利於天，中利於鬼，下利於人」 (《天志上》).
  • So Mozi is impartial without being hedonist. The Stanford Encyclopedia calls him "proto-utilitarian," not utilitarian.

What's the real difference between Mozi and Bentham?

They agree on who counts and disagree on what's being counted.

Ask either man whether your brother's welfare outranks a stranger's, and both say no. That's the shared move, and it was radical in both centuries. Then ask welfare of what kind, and the two systems come apart completely.

Bentham gives one answer: felt pleasure and felt pain, located in persons. Mozi gives a public, material list: enough food, enough people, a state that isn't falling apart. You can be miserable in a Mohist utopia and Mozi's calculation doesn't notice. That's not a flaw in his system; it's a different system. [UNIQUE INSIGHT]

Was Mozi actually a utilitarian?

The scholarly answer is genuinely split, and the split is worth knowing before you use either label.

On one side, Chris Fraser's book is literally titled The Philosophy of the Mòzĭ: The First Consequentialists (Columbia University Press, 2016). On the other, a 2006 journal article asks Is Mozi a Utilitarian Philosopher? and argues that his philosophy is anything but.

The Stanford Encyclopedia of Philosophy threads it carefully: Mozi and his followers "articulated a theory which is considered proto-utilitarian," while "the first systematic account of utilitarianism was developed by Jeremy Bentham." Proto is doing real work in that sentence.

People notice the tension on their own. An r/askphilosophy thread on the prehistory of the theory puts it plainly: "The Mohists of China are sometimes described as utilitarians." Sometimes, by whom, and on what evidence? That's the actual question.

What exactly does Mozi count as benefit?

Three things, and he names them in a list.

In 《節葬下》 he sets out what a humane person plans for: 「天下貧則從事乎富之，人民寡則從事乎衆之，衆而亂則從事乎治之。」 If the world is poor, work to enrich it. If the people are few, work to increase them. If they are many but disordered, work to order them.

That's a policy triage, not a mood. He then applies it: elaborate funerals get tested against those three headings and fail all three, which is why he opposes them.

The same triple shows up in 《天志上》 as evidence for what Heaven wants: 「天下有義則生，無義則死；有義則富，無義則貧；有義則治，無義則亂。」 With righteousness there's life, wealth, order; without it, death, poverty, chaos. Life, wealth, order. The Internet Encyclopedia of Philosophy reads him the same way: "Mozi sought to promote a range of goods, specifically order, wealth and a large population. Classical utilitarians, however, regarded happiness or pleasure as the only good."

What does Bentham count?

One substance, measured seven ways.

His opening line leaves no room: "Nature has placed mankind under the governance of two sovereign masters, pain and pleasure." Everything downstream is bookkeeping on those two.

The bookkeeping is where he innovates. Chapter IV lists the circumstances by which a pleasure or pain is greater or less: "1. Its intensity. 2. Its duration. 3. Its certainty or uncertainty. 4. Its propinquity or remoteness. 5. Its fecundity. 6. Its purity." Then the seventh, which is the impartiality one: "7. Its extent; that is, the number of persons to whom it extends."

Note where impartiality lives for Bentham. It isn't a separate commandment to love strangers. It's a dimension of the measurement, one more variable in the same calculation. Mozi's impartiality is a prescription; Bentham's is a unit of account. [UNIQUE INSIGHT]

Same impartial instinct, different machinery

The questionMoziBentham
What is good?Wealth, population, order (《節葬下》)Pleasure; the absence of pain (Ch. I)
Who counts?Everyone equally: 「視人之國若視其國」Everyone equally, as "extent" (Ch. IV)
Where's the standard?Outside you: Heaven, like a carpenter's square (《天志上》)Inside the sum itself; nothing above it
What's in the ledger?Heaven, the spirits, and people (「上利於天，中利於鬼，下利於人」)Individual persons only
Why be impartial?It works, it's Heaven's will, and it's repaidBecause each person's pleasure counts once
Is a group real?Yes: 天下, the world, is the unitNo: "The community is a fictitious body"

Why is Mozi's argument for impartial care partly self-interested?

Because he needs to sell it to rulers, and he says so out loud.

In 《兼愛中》, right after telling you to see other states as your own, he answers the obvious objection, that this is too hard, with a return-on-investment argument: 「夫愛人者，人必從而愛之；利人者，人必從而利之。」 Love others and others love you back. Benefit others and others benefit you.

Bentham never has to make this move. On his account you're already inside the calculation, so your own pleasure has been counted from the start; no reciprocity story is needed. Mozi's impartiality has to be entered into, which is why he keeps promising it pays. [UNIQUE INSIGHT]

Did Bentham actually write "everybody to count for one"?

Not in the book people cite for it. The famous line reaches us secondhand.

Search the Principles of Morals and Legislation for "count for one" and you won't find it. What you find in Chapter IV is the dry version quoted above: extent, "the number of persons to whom it extends."

The memorable phrasing comes from John Stuart Mill, in Chapter 5 of Utilitarianism, reporting his predecessor: "Bentham's dictum, 'everybody to count for one, nobody for more than one,' might be written under the principle of utility as an explanatory commentary." Mill even flags it as a commentary, not a first principle.

This matters for the comparison. The slogan most people use to state Bentham's impartiality is Mill's compression of it, the same way "the end justifies the means" is a compression of Machiavelli that Machiavelli never wrote.

Where does each man's standard come from?

Mozi puts the yardstick outside the human race. Bentham has no yardstick outside the sum.

Mozi's image is a workshop tool: 「我有天志，譬若輪人之有規，匠人之有矩。」 I hold Heaven's will the way a wheelwright holds his compasses and a carpenter his square. You lay it against a claim and read off the verdict: 「中者是也，不中者非也」, what fits is right, what doesn't is wrong.

Bentham has nothing in that position. For him the calculation is the standard; there's no external gauge the total has to match. Which is why his community has no independent existence: "The community is a fictitious body, composed of the individual persons who are considered as constituting as it were its members. The interest of the community then is, what is it? — the sum of the interests of the several members who compose it."

Put those side by side and the deep split shows. Bentham builds ethics up from individuals. Mozi measures individuals against something above them. Two impartial systems, opposite directions of authority. [UNIQUE INSIGHT]

Why does Heaven appear in a consequentialist's ledger?

Because for Mozi it's a source of benefit and harm like any other party, and it makes his math un-secular in a way Bentham's can't be.

《天志上》 grades a policy on three rows: 「上利於天，中利於鬼，下利於人。三利無所不利。」 Beneficial above to Heaven, in the middle to the spirits, below to people. Three benefits, benefiting all. The bad ruler fails all three.

And the sanctions are real in his system: 「順天意者，兼相愛、交相利，必得賞」 — those who follow Heaven's intent, caring inclusively and benefiting one another, will surely be rewarded.

You can drop the metaphysics and keep the policy advice; plenty of modern readers do. But you can't call the result "the same theory as Bentham's" once two of the three beneficiaries have been deleted.

Does Mozi's impartiality mean you owe your family nothing extra?

No, and this is the standard misreading of 兼愛.

His diagnosis in 《兼愛上》 is medical: 「聖人以治天下爲事者也，必知亂之所自起，焉能治之」 — a sage who takes ordering the world as his task must know where the disorder starts, 「譬之如醫之攻人之疾者然」, just as a physician attacking an illness must know where it began. His finding: 「當察亂何自起？起不相愛。」 Disorder begins in not caring for one another.

The prescribed cure is inclusion, not subtraction. Mozi's word, 兼, means "both" or "together." He wants your care extended to the stranger, not withdrawn from your father. His own reciprocity argument depends on families staying intact and benefiting each other. Confucians attacked him as if he were abolishing filial love; the text he actually wrote is doing something narrower.

How is this different from your other comparison pieces?

Different pair, different fault line. Here's how to land on the right one.

Mencius vs Rousseau and Xunzi vs Hobbes argue about what human nature is. This piece assumes nothing about nature and asks what you should be adding up.

Han Feizi vs Machiavelli and Sun Tzu vs Clausewitz are about power and force. Zhuangzi vs Nietzsche is about where values come from when you stop obeying. Aristotle's virtue ethics, explained by Confucius is about character rather than calculation. It's the closest neighbour to this one, and it argues the opposite corner.

Among the Mozi pieces, reporting a friend's unethical behaviour at work applies his impartiality to loyalty, and what Mozi would tell an engineer who doubts his impact applies his benefit test to a career. Neither argues the theory. This one does.

How do you use this outside a philosophy class?

Pick your ledger before you argue about the answer. Most ethical arguments are really disagreements about the columns.

  1. Name what you're maximising. Felt experience, or material outcomes? A layoff that raises output and wrecks morale scores well on Mozi's sheet and badly on Bentham's. Say which sheet you're using.
  2. Check whether your standard is inside or outside the sum. If it's inside, a big enough total can justify anything. Mozi's compass-and-square exists precisely to stop that.
  3. Watch for the reciprocity smuggle. "Being generous pays" is Mozi's argument, not Bentham's. It's persuasive, and it quietly makes impartiality conditional on getting something back.

A note on texts and translation

Chinese text comes from 《墨子》 at Chinese Wikisource: chapters 兼愛上, 兼愛中, 節葬下, 天志上. Every quoted line was then checked a second time against the independent ctext.org edition of the same chapters; the two agree on all wording quoted here. The English for 「視人之國若視其國」 and 「我有天志」 is W. P. Mei's public-domain 1929 translation as printed at ctext; the remaining renderings are mine, made from the characters as quoted.

Bentham quotations are verbatim from An Introduction to the Principles of Morals and Legislation, Chapters I and IV, in the full text at the Internet Archive. Mill is quoted from Project Gutenberg's Utilitarianism, Chapter 5.

Where I could not verify a famous line in its usual source, the "count for one" dictum, I've said so rather than repeat the attribution.

Frequently asked questions

Was Mozi the first utilitarian? He was the first impartialist we have a text for, roughly 470–391 BCE, and that's a real priority claim. But utilitarianism identifies the good with pleasure, and Mozi never does. The Stanford Encyclopedia's "proto-utilitarian" is the accurate label; Chris Fraser's "first consequentialists" is defensible for the Mohists as a school, since they do judge acts by outcomes.

Did Mozi and Bentham influence each other? No. Mozi worked in Warring States China; Bentham published in 1789. The resemblance is convergence: two attempts to replace inherited moral ranking with a countable standard.

What does 兼愛 actually mean? "Inclusive care" is closer than "universal love." 兼 means both-together, and the doctrine extends your concern outward rather than flattening it into indifference. Mozi pairs it constantly with 交相利, mutual benefit.

Is Mohism a religion? Not quite, but it isn't secular either. Heaven has intentions, the spirits observe, and both dispense rewards and punishments. That's structurally unlike Bentham, whose system has no authority above the sum of human pleasures.

Which theory handles a modern policy question better? Mozi's list of goods is easier to measure, since wealth, population, and order all leave records. Bentham's single currency is harder to measure but catches something Mozi's misses entirely: whether the people inside those statistics are suffering.

Want to put a real dilemma to him rather than read about him? Ask Mozi directly, or read more about Mozi's thought.

Sources

Related reading

Mozi vs Bentham: Who Really Invented Impartial Care? · Hundred Masters