Nothing is so exhausting as indecision, and nothing is so futile.

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

Prophets, mystics, poets, scientific discoverers are men whose lives are dominated by a vision; they are essentially solitary men . . . whose thoughts and emotions are not subject to the dominion of the herd.

Philosophy, from the earliest times, has made greater claims, and achieved fewer results, than any other branch of learning.

Folly is perennial and yet the human race has survived.

If you wish to be happy yourself, you must resign yourself to seeing others also happy.

I am as firmly convinced that religions do harm as I am that they are untrue.