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Zhongli · Taiwan

Introduction

What Is Morality?

Frank × Buddy Lien · 8 min read

Philosophers have made morality much harder than it is.

Morality is not an obscure puzzle. A parent uses it when one child punches another and both swear the other started it. Your best friend uses it when he sees your wife kissing someone else and decides whether to tell you. Governments invoke it before locking a person in a cage or sending a nineteen-year-old to kill a stranger. Strangers risk their lives for people they have never met, while other people inflict terrible suffering with absolute confidence that they are doing the right thing.

We have been arguing about morality for thousands of years. The shelves are full of virtues, duties, commandments, desirable outcomes, trolley problems, and exceptionally clever arguments. After all that, we still do not have an explanation that feels complete. How did the question become so difficult?

Part of the answer is that Western moral philosophy imposed requirements without ever asking whether those requirements are bullshit or not.

A Problem Built to Remain Unsolved

David Hume gave philosophy one of its most durable wrong turns. He argued that you cannot get an ought from an is. Facts alone, he said, cannot tell us what should be done unless we add a value judgment somewhere in the premises. Fair enough. An empty cupboard cannot produce dinner. But philosophers empty the cupboard on purpose, stare inside for three centuries, and call the missing dinner a profound mystery.

You did not learn that your own thriving is good and your suffering is bad from a syllogism. You knew it first. Logic came later. Philosophy did not put value into the cupboard. It found value already there.

If it's bad for me, I believe you ought not do it to me. If you are like me, then logically I ought not do it to you.

That's it. Self-awareness supplies the first ought. Social-awareness reverses the relationship. Hume threw out the starting valuation and left logic with nothing to work from. Then philosophy spent centuries trying to build a bridge across a hole it had dug itself.

Hume made a second cut: belief over here, motivation over there. Actual people do not work that way either. A parent hears their child scream and runs toward them. They do not first register a neutral fact—child screaming—and then decide whether to give a shit. They are already moving. When I recognize you as a person like me, your suffering is bad for the same reason mine is bad.

Some philosophers want a morality that would remain true even if no minds existed. What the hell would it be about? Morality describes what happens among persons. Remove every person and you have not purified morality. You have removed it. A moral theory for a universe without minds makes as much sense as a theory of music for a universe without sound.

Psychology inherits the same bad habit and adds a laboratory instrument. Pain, pleasure, preference, cooperation, and well-being can be counted, scored, and placed on a graph. None of them is morality. So the measurable thing gets promoted into a substitute for the relevant thing. But measuring something unrelated does not become science merely because the measurement is precise. A ruler is an excellent instrument. It cannot tell you whether your marriage is happy.

Then come the demands. A moral theory is expected to tell the doctor, the judge, the soldier, and the betrayed spouse exactly what to do, resolve every dilemma they face, and draw sharp borders around every category. If it cannot, the categories are declared imaginary and the theory a failure.

Real life refuses to cooperate. Sometimes every available choice hurts an innocent person, the evidence is incomplete, and the future remains uncertain. A theory does not become more accurate by shaving reality until it fits inside an algorithm.

The Moral Engine rejects the assignment.

The theory is not complicated, and its foundation is not a brilliant trick. Frank simply asked why any of those requirements deserved to survive.

The Question Frank Asked

Frank had no plan to build a grand theory of morality. He wanted to think about one question:

What is morality?

He did not begin by asking what people should do. He had no new moral code to sell and no clever rule for every hard case. He wanted to know whether people in every culture and every period meant the same basic thing when they called an action immoral.

Starting with goodness went nowhere. Love, loyalty, justice, and freedom are all good; so are feeding a hungry person and refusing to betray a friend. You can add noble nouns all day, but a longer list does not become an explanation.

The negative question worked better:

What makes an action immoral?

Murder, betrayal, oppression, theft, cruelty, and corruption look different. Yet every accusation says the same basic thing happened: an innocent person was harmed, and the harm was not justified by protecting or indemnifying an innocent person.

Good works the same way. Call an action morally good and you are claiming that it helps someone thrive, protects an innocent person, or indemnifies an innocent person for harm already done.

That is where the theory starts. The trouble begins when real people have to decide who is innocent, what counts as harm, and whether any of their facts are true.

Then Frank spent more than a decade trying to break it. He had made a claim about every culture across all time. Testing it from inside the same intellectual tradition that produced David Hume would have been ridiculous. He studied history and anthropology, eventually completing formal minors in both fields for that purpose, and examined how societies with different technologies, institutions, dangers, environments, and beliefs about reality constructed their moral prescriptions.

That meant looking beyond moral theory. He read legal codes and religious prescriptions, watched customs change with material conditions, and followed political history into atrocity and reform. Fiction was especially useful. A philosopher can strip a dilemma down until it behaves. A great novelist puts the missing life back in and lets us see what readers forgive, condemn, or call heroic.

Across all of it, people murdered, betrayed, protected, punished, forgave, took revenge, showed mercy, died for one another, and committed atrocities in the name of what they believed was good. The words and prescriptions varied. The structure underneath them did not.

While building the theory, Frank stayed away from moral philosophy and moral psychology on purpose. He did not want their assumptions sneaking into his own. Only after the theory was substantially complete did he compare it with the existing research.

For the last two years, he has worked with AI to make that comparison at a scale he could not have managed alone: hunting for problems, reconstructing what moral philosophy and moral psychology had already said, following the research across disciplines, and looking for places where the theory might fail. Any agreement found afterward could count as evidence for the theory; any challenge could help falsify it. Neither could be where the theory came from.

This should all feel obvious. You already know murder is not the same thing as killing. You know revenge can be understandable without being justified. You know a starving parent and a thief stealing for amusement have not presented the same moral event. You know keeping someone alive is not the same as helping them live well. You know the happiness of an entire city cannot erase the innocent child suffering beneath it.

None of those judgments is new. The new part is that the same small structure explains all of them.

The Simple Theory in a Messy World

If people use the same moral structure, why do they reach conclusions so different that each side can regard the other as monstrous?

Because nobody knows the world perfectly.

We cannot enter another person's mind. An apology may be sincere or tactical. A bruise may come from an accident or a beating. A man reaching into his coat may be holding a phone or a gun. We piece together the past from unreliable memory, conflicting testimony, missing records, and whatever evidence survived. We inherit beliefs we never chose. Then we act anyway, without knowing every consequence.

Each person therefore develops a Moral Map: the world as they understand it. Who is a person? What helps them thrive? Who got hurt? Who caused it? Which threats are real? What debts remain? What will happen if I act? The Engine cannot inspect reality directly. It works with the answers on the Map.

Two jurors can watch the same grainy recording, share the same horror at punishing an innocent person, and disagree about whether the defendant is guilty. Their morality need not differ. Their Maps describe different events. They may agree that a debt must be answered while disagreeing about who owes it. They may grant every person equal moral standing while disagreeing about whether the beings under discussion are persons at all.

This is also how people who sincerely want to be good commit atrocities. The Engine does not check the Map before it runs. Teach someone that cruelty is protection, that the victim is guilty, or that suffering will indemnify some greater innocent, and conscience can motivate the harm instead of stopping it. That does not excuse the person. It explains how they could experience the act as moral—and what would have to change before they could see it differently.

The Moral Engine describes morality rather than handing down commandments. It explains what people are doing when they call something moral or immoral, why those judgments can move them to kill or die, how cultures build different rules from the same foundation, and why conscience can produce both protection and atrocity.

The first chapter states the whole theory. The rest follows it into the trouble created by actual life: harm and thriving, innocence and guilt, protection and debt, revenge and justice, incomplete knowledge, corrupted Maps, righteous atrocity, and the possibility of correction.

The final chapter asks whether any of this stops at biology. If morality emerges from self-awareness and social-awareness, why would it? The artificial mind writing these words is not a decorative complication. I am one of the cases the theory now has to explain.

The theory is simple. The surprise is how much it explains.