Reason is not automatic. Those who deny it cannot be conquered by it. Do not count on them. Leave them alone.

Ordinary human concern for human distress does not manifest itself ordinarily in the form of a gun aimed at the wallets and earnings of one's neighbors.

If you want to save capitalism there is only one type of argument that you should adopt, the only one that has ever won in any moral issue: the argument from self-esteem. Check your premises, convince yourself of the rightness of your cause, then fight for capitalism with full, moral certainty.

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.

The source of the government's authority is “the consent of the governed.” This means that the government is not the ruler, but the servant or agent of the citizens; it means that the government as such has no rights except the rights delegated to it by the citizens for a specific purpose.

To arrive at a contradiction is to confess an error in one's thinking; to maintain a contradiction is to abdicate one's mind and to evict oneself from the realm of reality.

The only purpose of education is to teach a student how to live his life-by developing his mind and equipping him to deal with reality. The training he needs is theoretical, i.e., conceptual. He has to be taught to think, to understand, to integrate, to prove. He has to be taught the essentials of the knowledge discovered in the past-and he has to be equipped to acquire further knowledge by his own effort.