The more you want, the more you stand to lose
Every man carries two bags about him, one in front and one behind, and both are full of faults. The bag in front contains his neighbors' faults, the one behind his own. Hence it is that men do not see their own faults, but never fail to see those of others.
One who steals has no right to complain if he is robbed.
Whoever neglects old friends for the sake of new deserves what e gets if he loses both
He that is hard to please, may get nothing in the end.
Enemies' promises were made to be broken.