Heaven protects children(, sailors,) and drunken men.
Prov. Children(, sailors,) and drunk(ard)s often escape being injured in dangerous situations. (Often used to express amazement that a child, sailor, or drunk person has escaped injury.) Jill: Did you hear? A little girl fell out of a second-floor window in our apartment building. Jane: Was she killed? Jill: She wasn't even hurt. Jane: Heaven protects children, sailors, and drunken men. Mike was so drunk he shouldn't even have been conscious, but he managed to drive home without hurting himself or anyone else; heaven protects children and drunkards.
protect someone or something against someone or something
and protect someone or something from someone or somethingto shield or preserve someone or something against someone or something. Please come along and protect us against muggers as we walk home. What will protect my car against thieves?