“Whatever doesn’t kill me makes me stronger.”

I got this one from my parents along with, 'God doesn't give you more than you can handle'. Neither one was comforting. This article discusses it by the noted atheist Chistopher Hitchens,
Read at the link.
http://www.vanityfair.com/culture/2012/01/hitchens-201201
Or in the original German;
Was mich nicht umbringt macht mich stärker.