Paul has talked about losses, suffering, possible death. He is sitting in prison! But Paul is no masochist seeking pain. He has experienced something that brough clarity/beauty to life/reality - renewal of mind, something of ultimate value. It is the event of Jesus, Messiah of Israel, fully God, truly human, faithful even to the cross, exalted as LORD. Maturity is knowing we can be on our way but are not there yet. "Think this." Think Jesus!