Never let the sun go down on your anger.
More Italian Proverbs:
Hope is the last to abandon the unhappy.Italian
Borrowed garments never fit well.
Italian
Take care you don't let your tail be caught in the door.
Italian
He that at twenty is not, at thirty knows not, and at forty has not, will never be, nor ever know, nor ever have.
Italian
Hedges have no eyes, but they have ears.
Italian
Who glows not burns not.
Italian