"You've got to be very careful if you don't know where you are going because you might not get there."

“In theory, there is no difference between theory and practice. But in practice, there is.”

To the real artist in humanity, what are called bad manners are often the most picturesque and significant of all.

Let that which stood in front go behind, let that which was behind advance to the front, let bigots, fools, unclean persons, offer new propositions, let the old propositions be postponed.