You never know a line is crooked unless you have a straight one to put next to it.
I only know one thing, and that is I know nothing
One ought not to return injustice, nor do evil to anybody in the world, no matter what one may have suffered from them.
The envious person grows lean with the fatness of their neighbor.
The examined life is the only life worth living.
Our lives are but specks of dust falling through the fingers of time. Like sands of the hourglass, so are the days of our lives.