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Justice & Law Quote by Immanuel Kant

"So act that your principle of action might safely be made a law for the whole world"

About this Quote

Kant is trying to drag morality out of the swamp of personal preference and into something colder, stricter, and harder to wiggle out of: a stress test for your motives. The line is a compressed version of the categorical imperative, and it’s engineered like a moral machine. Don’t ask whether an action “works out” or feels compassionate in the moment; ask whether you could rationally endorse everyone doing it without the whole project of human cooperation collapsing.

The genius is the way it weaponizes your own self-conception against you. Most people want exceptions: my lie is justified, my shortcut is harmless, my betrayal is complicated. Kant’s formula denies the special pleading. If your maxim requires secrecy, freeloading, or selective permission, it fails because it can’t survive daylight as a general rule. The subtext is almost prosecutorial: you already know what you’re doing; now see if you can make it publishable.

Context matters. Writing in the Enlightenment, Kant is responding to both religious command ethics and looser sentimental moralities by offering a secular, universal standard grounded in reason. “Safely” does a lot of work: it implies not just logical consistency but a world that remains livable when your behavior is scaled up. This is moral rigor as political technology, a way to imagine social trust as something built from repeatable principles rather than vibes.

It’s also why the line still needles modern life. In an era of optimized self-interest, Kant dares you to ask whether your habits would be tolerable as policy. If the answer is no, the problem isn’t the world. It’s your rule.

Quote Details

TopicEthics & Morality
SourceImmanuel Kant, Groundwork of the Metaphysics of Morals (Grundlegung zur Metaphysik der Sitten), 1785 — first formulation of the categorical imperative (various English translations render the maxim differently).
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APA Style (7th ed.)
Kant, Immanuel. (2026, January 15). So act that your principle of action might safely be made a law for the whole world. FixQuotes. https://fixquotes.com/quotes/so-act-that-your-principle-of-action-might-safely-41372/

Chicago Style
Kant, Immanuel. "So act that your principle of action might safely be made a law for the whole world." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/so-act-that-your-principle-of-action-might-safely-41372/.

MLA Style (9th ed.)
"So act that your principle of action might safely be made a law for the whole world." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/so-act-that-your-principle-of-action-might-safely-41372/. Accessed 26 Feb. 2026.

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Immanuel Kant

Immanuel Kant (April 22, 1724 - February 12, 1804) was a Philosopher from Germany.

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