Calumny is only the noise of madmen.

- Diogenes

Blushing is the color of virtue.

- Diogenes

A friend is one soul abiding in two bodies.

- Diogenes

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

- Diogenes

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

- Diogenes

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

- Diogenes

The great thieves lead away the little thief.

- Diogenes

The mob is the mother of tyrants.

- Diogenes

We have two ears and one tongue so that we would listen more and talk less.

- Diogenes

It takes a wise man to discover a wise man.

- Diogenes

I have nothing to ask but that you would remove to the other side, that you may not, by intercepting the sunshine, take from me what you cannot give.

- Diogenes

I am not an Athenian or a Greek, but a citizen of the world.

- Diogenes

Man is the most intelligent of the animals - and the most silly.

- Diogenes

Those who have virtue always in their mouths, and neglect it in practice, are like a harp, which emits a sound pleasing to others, while itself is insensible of the music.

- Diogenes

No man is hurt but by himself.

- Diogenes

I know nothing, except the fact of my ignorance.

- Diogenes

I threw my cup away when I saw a child drinking from his hands at the trough.

- Diogenes

It was a favorite expression of Theophrastus that time was the most valuable thing that a man could spend.

- Diogenes

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

- Diogenes

Dogs and philosophers do the greatest good and get the fewest rewards.

- Diogenes