Who does too much, often does little.
More Italian Proverbs:
If someone betrays you once, it's his fault. If he betrays you twice, it's your fault.Italian
Don't bite till you know whether it is bread or a stone.
Italian
Tied to the sowre apple-tree.
Italian
Better be the head of a lizard than the tail of a dragon.
Italian
In the fray the weak are strong.
Italian
The gallows was made for the unlucky.
Italian