When ill-luck falls asleep let nobody wake her.
More Italian Proverbs:
No good doctor ever takes physic.Italian
When a tree is falling, every one cries, down with it.
Italian
It is better if you could say "Here he ran away" than "Here he was killed."
Italian
Threats are arms for the threatened.
Italian
Like well like bucket.
Italian
Beat the rogue and he will be your friend.
Italian