The mill does not grind with water that is past.
More French Proverbs:
He's a fool that's fond.French
A coward's fear may make a coward valiant.
French
He is not so much of a devil as he is black.
French
Between promising and giving a man should marry his daughter.
French
I never saw an oft-removed tree, Nor yet an oft-removed family, That throve so well as one that settled be.
French
A young angel, an old devil.
French