The [U.S.] Constitution is a limitation on the government, not on private individuals ... it does not prescribe the conduct of private individuals, only the conduct of the government ... it is not a charter for government power, but a charter of the citizen's protection against the government.

Self-esteem is reliance on one's power to think... The man of authentic self-confidence is the man who relies on the judgment of his own mind.

The ladder of success is best climbed by stepping on the rungs of opportunity.

Man has been called a rational being, but rationality is a matter of choice... Man has to be a man-by choice; he has to hold his life as a value-by choice; he has to learn to sustain it-by choice; he has to discover the values it requires and practice his virtues by choice. A code of values accepted by choice is a code of morality.

What is kinder--to believe the best of people and burden them with a nobility beyond their endurance--or to see them as they are, and accept it because it makes them comfortable?

To interpose the threat of physical destruction between a man and his perception of reality, is to negate and paralyze his means of survival to force him to act against his own judgment, is like forcing him to act against his own sight

When a man declares: "There are no blacks and whites [in morality]" he is making a psychological confession, and what he means is: "I am unwilling to be wholly good - and please don't regard me as wholly evil!"