Self-esteem is reliance on ones power to think.

Collectivism requires self-sacrifice, the subordination of one's interests to those of others.

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.

There’s nothing as significant as a human face. Nor as eloquent. We can never really know another person, except by our first glance at him. Because, in that glance, we know everything. Even though we’re not always wise enough to unravel the knowledge.

Freedom of association includes the freedom not to associate.

In any compromise between food and poison, it is only death that can win. In any compromise between good and evil, it is only evil that can profit.

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.