I am not morally obligated to care more for a man than he cares for himself.

What is kinder--to believe the best of people and burden them with a nobility beyond their endurance--or to see them as they are, and accept it because it makes them comfortable?

Even if smog were a risk to human life, we must remember that life in nature, without technology, is wholesale death.

In order to live, man must act; in order to act, he must make choices; in order to make choices, he must define a code of values; in order to define a code of values, he must know what he is and where he is – i.e. he must know his own nature (including his means of knowledge) and the nature of the universe in which he acts – i.e. he needs metaphysics, epistemology, ethics, which means: philosophy. He cannot escape from this need; his only alternative is whether the philosophy guiding him is to be chosen by his mind or by chance.

While, politically, a mixed economy preserves the semblance of an organized society with a semblance of law and order, economically it is the equivalent of the chaos that had ruled China for centuries: a chaos of robber gangs looting-and draining-the productive elements of the country.

Man’s rights can be violated only by the use of physical force. It is only by means of physical force that one man can deprive another of his life, or enslave him, or rob him, or prevent him from pursuing his own goals, or compel him to act against his own rational judgment.

A house can have integrity, just like a person.