Man is a being with free will; therefore, each man is potentially good or evil, and it's up to him and only him (through his reasoning mind) to decide which he wants to be.

Each man must live as an end in himself and follow his own rational self-interest.

It is the basic, metaphysical fact of man's nature -- the connection between his survival and his use of reason -- that capitalism recognizes and protects.

Joy is the goal of existence, and joy is not to be stumbled upon, but to be achieved, and the act of treason is to let its vision drown in the swamp of the moment's torture.

Everyone has the right to make his own decisions, but none has the right to force his decision on others.

Now you see, Dr. Stadler, you're speaking as if this book were addressing to a thinking audience. If it were, one would have to be concerned with such matters as accuracy, validity, logic and the prestige of science. But it isn't. It's addressed to the public.

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