He that has a head of glass must not throw stones at another.
More Italian Proverbs:
The man who lives only by hope will die with despair.Italian
All ships leak: some amidships, some in the bows, some in the hold.
Italian
Even foxes are caught.
Italian
He who goes not into battle cannot wear a crown.
Italian
So good that he is good for nothing.
Italian
Everything is of every year.
Italian