Immanuel Kant

"Rules for happiness: something to do, someone to love, something to hope for."

- Immanuel Kant

"We can judge the heart of a man by his treatment of animals."

- Immanuel Kant

"Sapere aude! Dare to know!"

- Immanuel Kant

"Metaphysics is a dark ocean without shores or lighthouse, strewn with many a philosophic wreck."

- Immanuel Kant

"Freedom is independence of the compulsory will of another, and in so far as it tends to exist with the freedom of all according to a universal law, it is the one sole original inborn right belonging to every man in virtue of his humanity."

- Immanuel Kant

"All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason."

- Immanuel Kant

"It is beyond a doubt that all our knowledge begins with experience."

- 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