Calumny is only the noise of madmen.
Diogenes of Sinope

In a rich man's house there is no place to spit but his face.
Diogenes of Sinope

Modesty is the color of virtue.
Diogenes of Sinope

No man is hurt but by himself.
Diogenes of Sinope

Of what use is a philosopher who doesn't hurt anybody's feelings?
Diogenes of Sinope

The art of being a slave is to rule one's master.
Diogenes of Sinope

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

Why not whip the teacher when the pupil misbehaves?
Diogenes of Sinope

Wise leaders generally have wise counselors because it takes a wise person themselves to distinguish them.
Diogenes of Sinope