The virtue involved in helping those one loves is not 'selflessness' or 'sacrifice,' but integrity.

Man cannot demand that others give up their lives to make him happy.

What is the basic, the essential, the crucial principle that differentiates freedom from slavery? It is the principle of voluntary action versus physical coercion or compulsion.

The degree of a country's freedom is the degree of its prosperity.

Remember that rights are moral principles which define and protect a man's freedom of action, but impose no obligations on other men.

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.

Guilt is a rope that wears thin.