Antisthenes
As iron is eaten away by rust, so the envious are consumed by their own passion.
jealousy
Antisthenes
Not to unlearn what you have learned is the most necessary kind of learning.
learning
Antisthenes
The most useful piece of learning for the uses of life is to unlearn what is untrue.
learning
Antisthenes
Quarrels often arise in marriages when the bridal gifts are excessive.
marriage
Antisthenes
Observe your enemies, for they first find out your faults.
enemy
Antisthenes
As iron is eaten by rust, so are the envious consumed by envy.
envy