17 "Don't have sex with both a woman and her daughter. And don't have sex with her granddaughters either. They are her close relatives. That is wicked. 18 "Don't marry your wife's sister as a rival wife and have sex with her while your wife is living.
19 "Don't have sex with a woman during the time of her menstrual period when she is unclean. 20 "Don't have sex with your neighbor's wife and violate yourself by her.
Matthew Henry's Commentary on Leviticus 18:17-20
Chapter Contents
Unlawful marriages and fleshly lusts.
Here is a law against all conformity to the corrupt usages of the heathen. Also laws against incest, against brutal lusts, and barbarous idolatries; and the enforcement of these laws from the ruin of the Canaanites. God here gives moral precepts. Close and constant adherence to God's ordinances is the most effectual preservative from gross sin. The grace of God only will secure us; that grace is to be expected only in the use of the means of grace. Nor does He ever leave any to their hearts' lusts, till they have left him and his services.