There are only two people who can tell you the truth about yourself - an enemy who has lost his temper and a friend who loves you dearly.

- Antisthenes

As iron is eaten away by rust, so the envious are consumed by their own passion.

- Antisthenes

Not to unlearn what you have learned is the most necessary kind of learning.

- Antisthenes

Pay attention to your enemies, for they are the first to discover your mistakes.

- Antisthenes

The most useful piece of learning for the uses of life is to unlearn what is untrue.

- Antisthenes

Quarrels often arise in marriages when the bridal gifts are excessive.

- Antisthenes

Observe your enemies, for they first find out your faults.

- Antisthenes

I am sadly afraid that I must have done some wicked thing.

- Antisthenes