In order to live, man must act; in order to act, he must make choices; in order to make choices, he must define a code of values; in order to define a code of values, he must know what he is and where he is – i.e. he must know his own nature (including his means of knowledge) and the nature of the universe in which he acts – i.e. he needs metaphysics, epistemology, ethics, which means: philosophy. He cannot escape from this need; his only alternative is whether the philosophy guiding him is to be chosen by his mind or by chance.

He never felt lonliness except when he was happy.

Toohey: "Mr. Roark, we're alone here. Why don't you tell me what you think of me? In any words you wish. No one will hear us." Roark: "But I don't think of you.

Self respect is something that can't be killed. The worst thing is to kill a man's pretense at it.

You don't have to see through the eyes of others, hold onto yours, stand on your own judgment, you know that what is, is–say it aloud, like the holiest of prayers, and don't let anyone tell you otherwise.

The only proper purpose of a government is to protect man's rights, which means: to protect him from physical violence. A proper government is only a policeman, acting as an agent of man's self-defense, and, as such, may only resort to force only against those who start the use of force.

If [people] place such things as friendship and family ties above their own productive work, yes, then they are immoral. Friendship, family life and human relationships are not primary in a man's life. A man who places others first, above his own creative work, is an emotional parasite.