"The highest endeavor of the mind, and the highest virtue, is to understand things by intuition."

"He alone is wise who can accommodate himself to all contingencies of life; but the fool contends, and struggling, like a swimmer, against the stream."

"Human beings who blind themselves to human need make themselves less human."

"If you have built castles in the air, your work need not be lost; that is where they should be. Now put the foundations under them."

"If liberty means anything at all, it means the right to tell people what they do not want to hear."

"By courage I repel adversity. (Adversa Virtute Repello)"

"The one whose judgment counts most in your life is the one staring back in the glass."

"Genius might well be defined as the ability to makes a platitude sound as though it were an original remark."

"Once you've accumulated sufficient knowledge to get by, you're too old to remember it."

"Whenever, therefore, people are deceived and form opinions wide of the truth, it is clear that the error has slid into their minds through the medium of certain resemblances to that truth."