A pious Jew is not one who worries about his fellow man's soul and his own stomach; a pious Jew worries about his own soul and his fellow man's stomach.Of course, you don't have to be Jewish to be Jewish, but it helps.
Ranni Israel Salanter
(Or so said Rabbi Tilsen.Twice. Of course Dave Berg said it first, in his book entitled:
My Friend God, OR...You Don't Have to be Jewish to be Jewish But it Helps! OR... Humor is No Laughing Matter! OR ...Wit Malice Towards NoneOy Ve.)
And while looking for a source for that quote, I found a 404 page with a difference. Enjoy.