One daughter helps to marry the other.
More Italian Proverbs:
The lion and the lamb shall lie down together, but the lamb won't get much sleep.Italian
While two dogs are fighting for a bone, a third runs away with it.
Italian
Love rules without rules.
Italian
No one perceives where the shoe pinches but he who wears it.
Italian
We learn by teaching.
Italian
As you would have a daughter so choose a wife.
Italian