The most savage controversies are about matters as to which there is no good evidence either way

The most savage controversies are those about matters as to which there is no good evidence either way. Persecution is used in theology, not in arithmetic.

I've made an odd discovery. Every time I talk to a savant I feel quite sure that happiness is no longer a possibility. Yet when I talk with my gardener, I'm convinced of the opposite.

No one gossips about other people's secret virtues.

Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself.

It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.