The entire history of science is a progression of exploded fallacies.

The difference between animals and humans is that animals change themselves for the environment, but humans change the environment for themselves.

The men of the press, who despised their own profession, did not know why they were enjoying it today. One of them, a young man with years of notorious success behind him and a cynical look of twice his age, said suddenly, 'I know what I'd like to be: I wish I could be a man who covers news!'

That which exists possesses identity; he could keep it out of existence by refusing to identify it.

Rulers exist entirely through the persons of others. Their goal is in their subjects, in the activity of enslaving. They are as dependent as the beggar, the social worker and the bandit. The form of dependence does not matter.

There's something I want you to know,' said Cherryl, her voice taut and harsh, 'so that there won't be any pretending about it. I'm not going to put on the sweet relative act. I know what you've done to Jim and how you've made him miserable all his life. I'm going to protect him against you. I'll put you in your place. I'm Mrs. Taggart. I'm the woman in this family now.' 'That's quite all right,' said Dagny. 'I'm the man.

Every honest man lives for himself. Every man worth calling a man lives for himself. The one who doesn't - doesn't live at all.