It is too late to come with water when the house is burnt down.
More Italian Proverbs:
Love is an excuse for its own faults.Italian
A vagabond monk never spoke well of his convent.
Italian
With the first wife is matrimony, the second company, the third heresy.
Italian
Poor men's money and cowards' weapons are often flourished.
Italian
He who says nothing never lies.
Italian
Who has no plagues makes himself some.
Italian