Worry is a form of fear, and all forms of fear produce fatigue. A man who has learned not to feel fear will find the fatigue of daily life enormously diminished.

The legacy of Greece to Western philosophy is Western philosophy.

...the nonexistence of God makes more difference to some of us than to others. To me, it means that there is no absolute morality, that moralities are sets of social conventions devised by humans to satisfy their needs.

The time has come, or is about to come, when only large-scale civil disobedience, which should be nonviolent, can save the populations from the universal death which their governments are preparing for them.

I do not think that the real reason why people accept religion has anything to do with argumentation. They accept religion on emotional grounds.

Herd pressure is to be judged by two things: first, its intensity, and second, its direction.

The whiter my hair becomes, the more ready people are to believe what I say.