---
title: "2 Metaphysics Morals Quotes by 2 authors"
description: "Browse 2 Metaphysics Morals quotes by 2 authors. Discover the best Metaphysics Morals sayings and thoughts."
image: "https://sms4smile.com/quotes/i/dac/immanuel-kant-532_buddhism_have-the-courage-to-use-your-own-reason_749125.jpg"
---

> [Have the courage to use your own reason- That is the motto of enlightenment. "Foundations of the Metaphysics of Morals" (1785)](https://sms4smile.com/quotes/immanuel-kant/have-the-courage-to-use-your-own-reason-that-is-the-motto-of/)

[Immanuel Kant](https://sms4smile.com/quotes/author/immanuel-kant/)

[Image](https://sms4smile.com/quotes/i/dac/immanuel-kant-532_buddhism_have-the-courage-to-use-your-own-reason_749125.jpg)

> [“Act only on that maxim through which you can at the same time will that it should become a universal law. —IMMANUEL KANT, Fundamental Principles of the Metaphysics of Morals (1785), p. 421 Duty”](https://sms4smile.com/quotes/judith-boss/act-only-on-that-maxim-through-which-you-can-at-the-same-time-will/)

[Judith Boss](https://sms4smile.com/quotes/author/judith-boss/)

[Image](https://sms4smile.com/quotes/i/4b0/judith-boss-107377_character_act-only-on-that-maxim-through-which-you_1641365.jpg)

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