We cannot fight against collectivism, unless we fight against its moral base: altruism. We cannot fight against altruism, unless we fight against its epistemological base: irrationalism. We cannot fight against anything, unless we fight for something--and what we must fight for is the supremacy of reason and a view of man as a rational being.

If he can give his readers no reason why they should read his book, except that the events happened to him, it is not a valid book.

If you don't know, the thing to do is not to get scared, but to learn.

When you see that trading is done, not by consent, but by compulsion...th at in order to produce, you need to obtain permission from men who produce nothing-you may know that your society is doomed.

every man is free to rise as far as he's able or willing, but the degree to which he thinks determines the degree to which he'll rise.

I think it's funny. There was a time when men were afraid that somebody would reveal some secret of theirs that was unknown to their fellows. Nowadays, they're afraid that somebody will name what everybody knows. Have you practical people ever thought that that's all it would take to blast your whole, big, complex structure, with all your laws and guns - just somebody naming the exact nature of what you're doing?

Now take a human body. Why wouldn't you like to see a human body with a curling tail with a crest of ostrich feathers at the end? And with ears shaped like acanthus leaves? It would be ornamental, you know, instead of the stark, bare ugliness we have now. Well, why don't you like the idea? Because it would be useless and pointless. Because the beauty of the human body is that is hasn't a single muscle which doesn't serve its purpose; that there's not a line wasted; that every detail of it fits one idea, the idea of a man and the life of a man.