Antisthenes

When brothers agree no fortress is so strong as their common life.

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

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

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

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.

When brothers agree, no fortress is so strong as their common life.

As iron is eaten by rust, so are the envious consumed by envy.

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

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

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

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

As rust corrupts iron, so envy corrupts man.

Observe your enemies for they first find out your faults.

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