One scabby sheep spoils a flock.
More Italian Proverbs:
Hide not the truth from your confessor, your doctor, or your lawyer.Italian
He laughs well who laughs last.
Italian
A hundred-year-old revenge still has its baby teeth.
Italian
Whoever brings finds the door open for him.
Italian
He's an ill cook that cannot lick his own fingers.
Italian
Don't bite till you know whether it is bread or a stone.
Italian