He’s an ill cook that cannot lick his own fingers.
More Italian Proverbs:
A gold key opens every door.Italian
He is very blind who cannot see the sun.
Italian
A fat kitchen is next door to poverty.
Italian
A scorpion never stung me but I cured myself with its grease.
Italian
Willows are weak, yet serve to bind bigger wood.
Italian
He that paints a flower does not give it perfume.
Italian