Protagoras asserted that there are two sides to every question, exactly opposite to each other.

There is only a finger's difference between a wise man and a fool.

Why not whip the teacher when the pupil misbehaves?

I like best the wine drunk at the cost of others.

Wise kings generally have wise counselors; and he must be a wise man himself who is capable of distinguishing one.

To become self-educated you should condemn yourself for all those things that you would criticize others.

If you are to be kept right, you must possess either good friends or red-hot enemies. The one will warn you, the other will expose you.