Have not all your eggs in one nest.
More Italian Proverbs:
The man who lives only by hope will die with despair.Italian
He cries wine, and sells vinegar.
Italian
He that at twenty is not, at thirty knows not, and at forty has not, will never be, nor ever know, nor ever have.
Italian
The purse of loved ones is tied with a gossamer thread.
Italian
He that will not strive in this world should not have come into it.
Italian
Hell hath no fury like a woman scorned.
Italian