If you're born to be hanged, then you'll never be drowned.
Prov. If you escape one disaster, it must be because you are destined for a different kind of disaster. (Sometimes used to warn someone who has escaped drowning against gloating over good luck.) When their ship was trapped in a terrible storm, Ellen told her husband that she feared they would die. "Don't worry," he replied with a yawn, "if you're born to be hanged, then you'll never be drowned."