Devotion to the truth is the hallmark of morality; there is no greater, nobler, more heroic form of devotion than the act of a man who assumes the responsibility of thinking.

The creed of sacrifice is a morality for the immoral.

It was the joy of admiration and of one's own ability, growing together.

Money is only a tool. It will take you wherever you wish, but it will not replace you as the driver.

One must differentiate between one's thoughts and one's emotions with full clarity and precision...No discussion, cooperation, agreement, or understanding is possible among men who substitute emotion for proof.

All public projects are mausoleums, not always in shapes, but always in cost.

An animal is equipped for sustaining its life; its senses provide it with an automatic code of action, an automatic knowledge of what is good for it or evil... Man has no automatic code of survival. His particular distinction from all other living species is the necessity to act in the face of alternatives by means of volitional choice.