The great thieves lead away the little thief.
As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task.
Blushing is the color of virtue.
If you are to be kept right, you must possess either good friends or red-hot enemies. The one will warn you, the other will expose you.
A friend is one soul abiding in two bodies.
It is not that I am mad, it is only that my head is different from yours.