The best is the enemy of the good.
The prudent man does himself good; the virtuous one does it to other men.
The superfluous, a very necessary thing.
The more he became truly wise, the more he distrusted everything he knew.
The safest course is to do nothing against one's conscience. With this secret, we can enjoy life and have no fear from death.
There are men who can think no deeper than a fact.