As iron is eaten away by rust, so the envious are consumed by their own passion.
We weed out the darnel from the corn and the unfit in war, but do not excuse evil men from the service of the state.
Wealth and poverty do not lie in a man's estate, but in men's souls.
Quarrels often arise in marriages when the bridal gifts are excessive.
Observe your enemies, for they first find out your faults.
The most necessary learning is that which unlearns evil.