"We all boil at different degrees."

"The true test of a civilization is not the census, nor the size of the cities, nor the cropsa€”no, but the kind of man the country turns out."

"Now everyone must do after his kind, be he asp or angle."

"Before we acquire great power, we must acquire wisdom to use it well."

"Nothing, at last, is sacred; but the integrity of your own mind."

"If I have lost confidence in myself, I have the universe against me."

"I like hearing myself talk. It is one of my greatest pleasures. I often have long conversations all by myself and I am so clever that sometimes I don't understand a word of what I'm saying."

"I believe that much of the world's sorrow is caused by people who are this, but allow themselves to be treated like that."

"The great thing about getting older is that you don't lose all the other ages you've been."

"A friend is someone who sees through you and still enjoys the view."

"Nothing is really so poor and melancholy as art that is interested in itself and not in its subject."

"To give up the task of reforming society is to give up one's responsibility as a free man."