John Piper comments: [1 Corinthians 7] Verse 19 says literally, “Circumcision is nothing and uncircumcision is nothing, but keeping the commandments of God (is everything).” That was about the most offensive thing Paul could say to a Jew: Circumcision is nothing. And if we understand its broad cultural application, it offends all of us. But … More Piper: Paul is a very unfashionable thinker