To protest and knock one’s head against the wall is what everybody can do.
More Italian Proverbs:
The lion and the lamb shall lie down together, but the lamb won't get much sleep.Italian
As both a good horse and a bad horse heed the spur, so both a good woman and a bad woman need the stick.
Italian
Who builds upon the people, builds upon sand.
Italian
Fair words, but look to your purse.
Italian
He who buys by the pennyworth keeps his own house and other men's too.
Italian
Three brothers, three castles.
Italian