The clue to happiness is being interested in life. People's happiness is as great as they can create it.

All we know of science or of religion comes from philosophy. It lies behind and above all other knowledge we have or use.

Those fields which most depend upon authoritative opinion for their data least contain known natural law.

The artist injects the spirit of life into a culture.

Learning locked in mildewed books is of little use to anyone and therefore of no value unless it can be used.

In North Africa they had the Arab with the gun and whip, but he could force people to do things ... and he accomplished a tremendous amount of extermination, but he certainly didn't advance that civilization very much.

You make New Year's resolutions. And you make them into the teeth of old resolutions which were different. Then you don't keep your new resolutions and you tell yourself you are weak-willed. You aren't weak-willed, you are simply obeying yourself as of yesterday.