Leviticus 18:30

“Therefore shall ye keep mine ordinance, etc.] Whatever the Lord appointed them and commanded, whether contained in this chapter, or elsewhere: that [ye] commit not [anyone] of these abominable customs; for attending to the ordinances of God, and a close in them, they would be preserved from the commission of such abominable things, and giving in to such detestable customs as before warned against: which were committed before you; by the inhabitants of Canaan; and by the punishment on them for them they might be deterred from doing the same: and that ye defile not yourselves therein; for though the land is so often said to be defiled, yet, properly speaking, and chiefly, it was the…”

“Therefore shall ye keep mine ordinance, that ye commit not any one of these abominable customs--In giving the Israelites these particular institutions, God was only re-delivering the law imprinted on the natural heart of man; for there is every reason to believe that the incestuous alliances and unnatural crimes prohibited in this chapter were forbidden to all men by a law expressed or understood from the beginning of the world, or at least from the era of the flood, since God threatens to condemn and punish, in a manner so sternly severe, these atrocities in the practice of the Canaanites and their neighbors, who were not subject to the laws of the Hebrew nation. Next: Leviticus Chapter 19”

“The land designed and consecrated for His people by Yahweh Leviticus 25:23 is here impersonated, and represented as vomiting forth its present inhabitants, in consequence of their indulgence in the abominations that have been mentioned. The iniquity of the Canaanites was now full. See Genesis 15:16; compare Isaiah 24:1-6. The Israelites in this place, and throughout the chapter, are exhorted to a pure and holy life, on the ground that Yahweh, the Holy One, is their God and that they are His people. Compare Leviticus 19:2. It is upon this high sanction that they are peremptorily forbidden to defile themselves with the pollutions of the pagan. The only punishment here pronounced upon…”

“abominable: Lev 18:3, Lev 18:26, Lev 18:27, Lev 20:23; Deu 18:9-12 that ye defile: Lev 18:24 I am: Lev 18:2, Lev 18:4 Next: Leviticus Chapter 19”