In law a man is guilty when he violates the rights of others. In ethics he is guilty if he only thinks of doing so. — Immanuel Kant
Immaturity is the incapacity to use one’s intelligence without the guidance of another. — Immanuel Kant
It is not God’s will merely that we should be happy, but that we should make ourselves happy. — Immanuel Kant
Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness. — Immanuel Kant
Out of timber so crooked as that from which man is made nothing entirely straight can be carved. — Immanuel Kant
Metaphysics is a dark ocean without shores or lighthouse, strewn with many a philosophic wreck. — Immanuel Kant
All the interests of my reason, speculative as well as practical, combine in the three following questions: — Immanuel Kant
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. — Immanuel Kant