Thegreatest lesson in life is to know that even fools are right sometimes.

Alwaysforgive your enemies. Nothing annoys them so much.

Thespirit indeed is willing, but the flesh is weak.

Philosophy begins in wonder. And, at the end, when philosophic thought has done its best, the wonder remains.

Never trust the advice of a man in difficulties.

How should the lamb negotiate with the lion.

Folly is perennial and yet the human race has survived

Thereare no secrets. There is no mystery. There is only common sense.

To do what others cannot do is talent. To do what talent cannot do is genius.

I hold it to be a proof of great prudence for men toabstain from threats and insulting words toward an enemy, for neither ...diminishes the strength of the enemy; but the one makes him more cautious,and the other increases his hatred of you and makes him

Half of the harm that is done in this world is due to people who want to feel important

When aman says that he approves something in principle, it means he hasn't theslightest intention of putting it in practice.