You have chosen to risk your lives for the defense of this country. I will not insult you by saying that you are dedicated to selfless service--it is not a virtue in my morality. In my morality, the defense of one's country means that a man is personally unwilling to live as the conquered slave of any enemy, foreign or domestic. This is an enormous virtue.

The moral is the chosen, not the forced; the understood, not the obeyed. The moral is the rational, and reason accepts no commandments.

Achievement of your happiness is the only moral purpose of your life, and that happiness, not pain or mindless self-indulgence, is the proof of your moral integrity, since it is the proof and the result of your loyalty to the achievement of your values.

I don’t approve of religion.

You can ignore reality, but you can't ignore the consequences of ignoring reality.

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.

He never felt lonliness except when he was happy.