The cask can give no other wine that that it contains.
More Italian Proverbs:
He who buys by the pennyworth keeps his own house and other men's too.Italian
War begun, hell unchained.
Italian
Better gain in mud than lose in gold.
Italian
That costs dear which is bought with begging.
Italian
When everybody says you are drunk, go to sleep.
Italian
Ask my chum if I am a thief.
Italian