The most necessary learning is that which unlearns evil.
Wealth and poverty do not lie in a man's estate, but in men's souls.
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.
The investigation of the meaning of words is the beginning of education.
Pay attention to your enemies, for they are the first to discover your mistakes.
To all my friends without distinction I am ready to display my opulence: come one, come all; and whosoever likes to take a share is welcome to the wealth that lies within my soul.