Consider the reasons which make us certain that we are right, but not the fact that we are certain. If you are not convinced, ignore our certainty. Don't be tempted to substitute our judgment for your own.

The conservatives want to rule man's consciousness; the liberals, his body.

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.

Every major horror of history was committed in the name of an altruistic motive. Has any act of selfishness ever equalled the carnage perpetrated by disciples of altruism.

I saw that evil was impotent—that evil was the irrational, the blind, the anti-real—and that the only weapon of its triumph was the willingness of the good to serve it.

Contrary to the ecologists, nature does not stand still and does not maintain the kind of equilibrium that guarantees the survival of any particular species - least of all the survival of her greatest and most fragile product: man.

If you ask me to name the proudest distinction of Americans, I would choose . . . the fact that they were the people who created the phrase "to make money." No other language or nation had ever used these words before. . . . Americans were the first to understand that wealth has to be created.