Even a frog would bite if it had teeth.
More Italian Proverbs:
Who gives sell, sells dear, if the receiver be not a churl.Italian
Bitter fruit will fall before the ripe.
Italian
Your enemy makes you wiser.
Italian
Lawyers' robes are lined with the obstinacy of suitors.
Italian
Every fool wants to give advice.
Italian
An ass's tail will not make a sieve.
Italian