Ethics 101
Chapter Seven - Enlightenment Machines
Section 7 of 13
CHAPTER SEVEN
Enlightenment Machines
FOR MOST OF human history, morality had a soul.
It was spiritual, sacred, messy, and emotional.
Then came the Enlightenment.
And the soul got replaced with a spreadsheet.
This was the age of reason. Science was exploding. Empires were expanding. The printing press was churning. Coffee was being consumed in terrifying amounts. And the philosophers were done waiting around for burning bushes or divine commandments.
They wanted something cleaner, sharper, and more rational.
Enter the two titans of moral design: Jeremy Bentham and Immanuel Kant.
Bentham was an British philosopher with a strange haircut and an even stranger obsession: utility. His big idea was simple, morality is about maximizing happiness. Full stop. Whatever action produces the most pleasure for the most people, that’s the right one. Period.
He called it the greatest happiness principle.
And then he tried to turn it into a formula.
Add up the pleasure. Subtract the pain.
Factor in duration, intensity, and how many people are affected.
Boom. Moral decision.
Should we feed the poor? Build a prison? Go to war?
Do the math.
In theory, it was elegant.
In practice, it was… cold.
Utilitarianism doesn’t care about intentions. It doesn’t care about fairness. It doesn’t care how you feel. It cares about numbers, which means sometimes the "right" thing might be horrific, so long as the body count makes sense on paper.
Kant hated that.
Immanuel Kant was the opposite of Bentham in every way. He was Prussian, rigid, and lived the same daily routine for decades. He believed morality had nothing to do with consequences. For Kant, the only thing that mattered was duty.
You do the right thing because it’s right. Not because it works. Not because it feels good. Because it’s what a rational, self-respecting moral being ought to do.
His system was called the categorical imperative. Basically, act only in ways you could logically want everyone else to act. No cheating. No special exceptions. If lying is wrong, it’s always wrong. Doesn’t matter if it saves someone’s feelings or prevents a war. The rule’s the rule.
Where Bentham built a calculator, Kant built a moral robot.
Together, they gave us two blueprints for modern ethics. One based on outcomes. One based on principles. One flexible. One absolute. Both trying to anchor morality to something more stable than custom or belief.
But there’s a catch: neither system can handle everything.
Bentham’s math breaks when people’s pain can’t be measured.
Kant’s logic breaks when rules collide or lead to cruelty.
Still, they changed the game.
Morality didn’t have to come from God or nature anymore.
It could come from reason.
And for a while, that felt like enough.
