The fly that bites the tortoise breaks its beak.
More Italian Proverbs:
Where there are no hounds the fox is king.Italian
Never was a mewing cat a good mouser.
Italian
A man of straw needs a woman of gold.
Italian
Every glowworm is not a fire.
Italian
Boil not the pap before the child is born.
Italian
He who builds a house in the market-place, builds either too high or too low.
Italian