How 'bout if she goes in up to her waist?

I usually enjoy the (I suppose) Jewish homilies printed at the top of Jewish WOrld Review, but I don't quite take to this one: "The Divine's wisdom is unfathomable. Would you want to worship a god whose mind is within one's grasp to understand?"

It reminds me of the Groucho Marx line that is so obvious I'll skip it and substitute the story of how his daughter was denied admission to a swim club because she was Jewish, so, since his wife and the girl's mother was not Jewish, he wrote to the club saying, "She's only half Jewish. How about if she goes in up to her waist?"