He who knows but little quickly tells it.
More Italian Proverbs:
He's an ill cook that cannot lick his own fingers.Italian
The friendship of the great is fraternity with lions.
Italian
The dog that means to bite don't bark.
Italian
He that stands may fall.
Italian
Corsairs against corsairs, there is nothing to win but empty barrels.
Italian
Grief pent up will burst the heart.
Italian