When the house is burned down, you bring water.
More Romanian Proverbs:
He that will steal a pin will steal a better thing.Romanian
He is afraid of his own shadow.
Romanian
Empty vessels make the greatest sound.
Romanian
He that hath pity upon the poor lendeth unto the Lord.
Romanian
Truth finds foes, where it makes none.
Romanian
The frying-pan said to the kettle, "Avaunt, black brows!"
Romanian