Only few men think, but all have opinions.

Makesure you never, never argue at night. You just lose a good night's sleep, andyou can't settle anything until morning anyway.

The real purpose of books is to trap the mind into doing its own thinking

Can we do good to the world? In an absolute sense, no; in a relative sense, yes.

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

Do we wish men to be virtuous? Then let us begin by making them love their country.

No one lies as much as the indignant do.

The thoughts that come often unsought, and as it were, drop into the mind, are commonly the most valuable of any we have.

Earnest people are often people who habitually look on the serious side of things that have no serious side

Men are mortal, but ideas are immortal.

All is riddle, and the key to a riddle is another riddle.

Conduct is wise or foolish only in reference to its results.