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

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.

If you agree with some tenets of Objectivism, but disagree with others, do not call yourself an Objectivist; give proper authorship credit for the parts you agree with

A majority vote is not an epistemological validation of an idea. Voting is merely a proper political device--within a strictly, constitutionall y delimited sphere of action--for choosing the practical means of implementing a society’s basic principles. But those principles are not determined by vote.

the important consideration is not your opponents, but yourself. It is bad to scream at them, not because it hurts them, they ought to be hurt, but because it hurts you. Anger is a form of recognition. It amounts to admitting that those people are important to you and that they have the power to hurt you. Actually, they haven't.

I loathe your ideals because I know no worse injustice than the giving of the undeserved.

To discuss evil in a manner implying neutrality, is to sanction it.