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There is, therefore, only one categorical imperative. It is: Act only according to that maxim by which you can at the same time will that it should become a universal law.

— Immanuel Kant Foundations of the Metaphysics of Morals (1969)

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More quotes by Immanuel Kant

Morality is not properly the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.

Critique of Practical Reason (1788)

Apart from moral conduct, all that man thinks himself able to do in order to become acceptable to God is mere superstition and religious folly.

There must be a seed of every good thing in the character of men, otherwise no one can bring it out.

The Educational Theory of Immanuel Kant (1904)

Natural science is throughout either a pure or an applied doctrine of motion.

Metaphysical Foundations of Natural Science (1786)

That all our knowledge begins with experience there can be no doubt.

Critique of Pure Reason (1781)

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Quote text and notes from Wikiquote: Immanuel Kant (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.