Life is the faculty of spontaneous activity, the awareness that we have powers.

A single line in the Bible has consoled me more than all the books I ever read besides.

Have the courage to use your own reason- That is the motto of enlightenment. "Foundations of the Metaphysics of Morals" (1785)

You only know me as you see me, not as I actually am

Freedom is the alone unoriginated birthright of man, and belongs to him by force of his humanity; and is independence on the will and co-action of every other in so far as this consists with every other person's freedom.

He who has made great moral progress ceases to pray

Most men use their knowledge only under guidance from others because they lack the courage to think independently using their own reasoning abilities. It takes intellectual daring to discover the truth.