Strive to be the best and you may succeed: he may well win the race that runs by himself.

Arguing is a game that two can play at. But it is a strange game in that neither opponent ever wins.

No European who has tasted savage life can afterwards bear to live in our societies.

Be cheerful -- the problems that worry us most are those that never arrive.

The rapid progress of the sciences makes me sorry, at times, that I was born so soon. Imagine the power that man will have over matter, a few hundred years from now. We may learn how to remove gravity from large masses, and float them over great distances. Agriculture will double its produce with less labor. All diseases will surely be cured... even old age. If only the moral sciences could be improved as well. Perhaps men would cease to be wolves to one another... and human beings could learn to be human.

The tongue offends and the ears get the cuffing

Mankind naturally and generally love to be flatter'd.