Folly is perennial and yet the human race has survived.

The secret of happiness is this: let your interests be as wide as possible, and let your reactions to the things and persons that interest you be as far as possible friendly rather than hostile.

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

While economics is about how people make choice, sociology is about how they don't have any choice to make.

Science is what you know, philosophy is what you don't know.

Collective wisdom, alas, is no adequate substitute for the intelligence of individuals. Individuals who opposed received opinions have been the source of all progress, both moral and intellectual. They have been unpopular, as was natural.

One of the most powerful of all our passions is the desire to be admired and respected.