He cries wine, and sells vinegar.
More Italian Proverbs:
God save me from him who studies but one book.Italian
Faith in a lord, a cap for the fool.
Italian
Dogs bark at hose they don't know.
Italian
Great griefs are mute.
Italian
He is a fool who does not know from what quarter the wind blows.
Italian
A friend, and look to thyself.
Italian