We are fast approaching the stage of the ultimate inversion: the stage where the government is free to do anything it pleases, while the citizens may act only by permission; which is the stage of the darkest periods of human history, the stage of rule by brute force.

Man has a single basic choice: to think or not, and that is the gauge of his virtue. Moral perfection is an unbreached rationality-not the degree of your intelligence, but the full and relentless use of your mind, not the extent of your knowledge, but the acceptance of reason as an absolute.

If any civilization is to survive, it is the morality of altruism that men have to reject.

Whether you know the shape of a pebble or the structure of a solar system, the anxioms remain the same: that it exists and that you know it.

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.

I've always thought that a feeling which changes never existed in the first place.

Thousands of years ago the first man discovered how to make fire. He was probably burnt at the stake he'd taught his brothers to light, but he left them a gift they had not conceived and he lifted darkness from the face of the Earth.