 Over the past couple of months, on Sundays, you've heard R.C. Sproul preach sermons from Ephesians and Galatians, wonderful letters written by the great Apostle Paul. But who was Paul, and why did he call himself and believe himself to be the chief of all sinners? Welcome to the Sunday edition of Renewing Your Mind, where each week we feature the preaching ministry of Dr. Sproul.