What determines right and wrong? What determines ethics? What is the worst that could happen if we get the wrong answer to that question? Pondering these questions in this message, Dr. Sproul teaches us the necessity and source of good ethics. This is the 5th message in a series on Christian thinking by R.C. Sproul. See other videos in the series: https://www.youtube.com/playlist?list=PL30acyfm60fU3UQUbkp0cLA3eGOsij3z8