To preserve one's mind intact through a modern college education is a test of courage and endurance, but the battle is worth it and the stakes are the highest possible to man: the survival of reason.

The only proper purpose of a government is to protect man's rights, which means: to protect him from physical violence.

In a capitalist society, all human relationships are voluntary. Men are free to cooperate or not, to deal with one another or not, as their own individual judgments, convictions and interests dictate.

Professional intellectuals are the voice of a culture and are, therefore, its leaders, its integrators and its bodyguards.

The attack on "selfishness" is an attack on man's self-esteem; to surrender one, is to surrender the other.

When I listen to a symphony I love, I don't get from it what the composer got. His 'Yes' was different from mine. He could have no concern for mine and no exact conception of it. That answer is too personal to each man. But in giving himself what he wanted, he gave me a great experience.

He never felt lonliness except when he was happy.