  One source for section titles is the UBS Greek New Testament by Aland et al:  5:17-20 Teaching about the Law 5:21-26 Teaching about Anger 5:27-30 Teaching about Adultery 5:31-32 Teaching about Divorce 5:33-37 Teaching about Oaths 5:38-42 Teaching about Retaliation 5:43-48 Love for Enemies    