"Act that your principle of action might safely be made a law for the whole world"
About this Quote
The subtext is a shot across the bow at moral loopholes. People love exceptions with flattering names: necessity, special circumstances, being the main character. Kant’s phrasing treats that as a category error. A principle that only works when you’re the one doing it isn’t a principle at all; it’s a tactic. “Safely” is doing quiet work here, implying a world that won’t collapse under the rule you’re proposing. Lying, cheating, exploiting: these depend on others playing by norms you’re breaking. Universalize them and the social machinery they parasitize stops functioning.
Context matters: Kant is writing in the Enlightenment, trying to ground morality in reason rather than church authority, tradition, or emotion. The emerging modern state needed rules that could be justified to strangers, not just imposed by power. This line is Kant’s bid for moral objectivity: not morality as taste, but morality as something you can argue for in the open, under the harsh light of universality. It’s a standard that’s bracing, sometimes brutal, and intentionally indifferent to our excuses.
Quote Details
| Topic | Ethics & Morality |
|---|---|
| Source | Immanuel Kant, Groundwork of the Metaphysics of Morals (1785), 'Formula of Universal Law' — commonly rendered 'Act only according to that maxim whereby you can at the same time will that it should become a universal law.' |
| Cite |
Citation Formats
APA Style (7th ed.)
Kant, Immanuel. (2026, January 15). Act that your principle of action might safely be made a law for the whole world. FixQuotes. https://fixquotes.com/quotes/act-that-your-principle-of-action-might-safely-be-354/
Chicago Style
Kant, Immanuel. "Act that your principle of action might safely be made a law for the whole world." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/act-that-your-principle-of-action-might-safely-be-354/.
MLA Style (9th ed.)
"Act that your principle of action might safely be made a law for the whole world." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/act-that-your-principle-of-action-might-safely-be-354/. Accessed 12 Feb. 2026.









