Immanuel Kant

Experience without theory is blind, but theory without experience is mere intellectual play.

Immanuel Kant

Freedom can never be comprehended, nor even can insight into it be gained.

Immanuel Kant

Freedom is the opposite of necessity.

Immanuel Kant

From such crooked wood as that which man is made of, nothing straight can be fashioned.

Immanuel Kant

Give a man everything he wants and at that moment everything is not everything.

Immanuel Kant

Happiness is not an ideal of reason, but of imagination.

Immanuel Kant

He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.

Immanuel Kant

If a man is often the subject of conversation he soon becomes the subject of criticism.

Immanuel Kant

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

Ingratitude is the essence of vileness.

Immanuel Kant