One must look at what impiety hates, what puts it in a rage, what it attacks always, everywhere, and with fury - that will be the truth.

One belief, more than any other, is responsible for the slaughter of individuals on the alter of the great historical ideas - justice or progress or happiness of future generations... or emancipation of a nation or race or class... this is the belief that somewhere... there is a final solution.

Liberty for wolves is death to the lambs.

Lenin could listen so intently that he exhausted the speaker.

Injustice, poverty, slavery, ignorance - these may be cured by reform or revolution. But men do not live only by fighting evils. They live by positive goals, individual and collective, a vast variety of them, seldom predictable, at times incompatible.

There is no a prior reason for supposing that the truth, when it is discovered, will necessarily prove interesting.

The intellectual power, honesty, lucidity, courage, and disinterested love of the truth of the most gifted thinkers of the eighteenth century remain to this day without parallel. Their age is one of the best and most hopeful episodes in the life of mankind.