One knife keeps another in its sheath.
More Italian Proverbs:
In men every mortal sin is venial, in women every venial sin is mortal.Italian
The shadow of a lord is a cap for a fool.
Italian
The shadow of a lord is a cap for a fool.
Italian
Better be a bird of the wood than a bird in the cage.
Italian
Sometimes an egg is given for an ox.
Italian
Old birds are not caught with new nets.
Italian