All things from eternity are of like forms and come round in circle.
He that lives alone lives in danger; society avoids many dangers.
Just as nature takes every obstacle, every impediment, and works around it--turns it to its purposes, incorporates it into itself, so, too, a rational being can turn each setback into raw material and use it to achieve its goal.
Things that have a common quality ever quickly seek their kind.
Men exist for each other. Then either improve them, or put up with them.
It is a ridiculous thing for a man not to fly from his own badness, which is indeed possible, but to fly from other men's badness, which is impossible.