A pear will never fall into a closed mouth.
More Italian Proverbs:
It is a good file that cuts iron without making a noise.Italian
Empty vessels make most noise.
Italian
The flatterer's throat is an open sepulchre.
Italian
The more the fox is cursed, the more prey he catches.
Italian
Drink wine and let water go to the mill.
Italian
No need to say "trot" to a good horse.
Italian