Do not tell a friend anything you would conceal from an enemy.
More Arab Proverbs:
The young goose is a good swimmer.Arab
Beauty doesn't exist, men only dream it.
Arab
He who walks through a field of onions, will smell like an onion.
Arab
All mankind is divided into three classes: those that are immoveable, those that are moveable, and those that move.
Arab
In the small lanes there are no brothers or friends.
Arab
Give a man some cloth and he'll ask for some lining.
Arab