Contradiction with Genesis 20:12-13
Abraham, who is considered righteous, did not condemn others for similar relations and even attempted to justify his actions by saying Sarah was his sister, showing a different cultural practice.
Genesis 20:12-13: And yet indeed [she is] my sister; she [is] the daughter of my father, but not the daughter of my mother; and she became my wife.
Contradiction with Deuteronomy 27:20
This verse explicitly condemns the actions described in Leviticus 18:8, but the fact that it is repeated might suggest that such actions were common among certain communities.
Deuteronomy 27:20: Cursed [be] he that lieth with his father's wife; because he uncovereth his father's skirt. And all the people shall say, Amen.
Contradiction with Genesis 29:23-25
The story adds complexity to the adherence of Levitical laws by showing Jacob's marriage to Leah was arranged under deceit, challenging straightforward adherence to these commands.
Genesis 29:23-25: And it came to pass in the evening, that he took Leah his daughter, and brought her to him; and he went in unto her.
Contradiction with 2 Samuel 16:22
David’s concubines were abused publicly by Absalom in direct defiance to what is condemned in Leviticus, indicating political motives can override these laws.
2 Samuel 16:22: So they spread Absalom a tent upon the top of the house; and Absalom went in unto his father's concubines in the sight of all Israel.
Contradiction with 1 Chronicles 5:1
Reuben's act of lying with his father's concubine is deemed wrong, but it did not prevent him from being listed among the tribes, showing tension between actions and consequences.
1 Chronicles 5:1: Now the sons of Reuben the firstborn of Israel, (for he [was] the firstborn; but, forasmuch as he defiled his father's bed, his birthright was given unto the sons of Joseph the son of Israel: and the genealogy is not to be reckoned after the birthright.
Paradox #1
The conflict arises from cultural differences and changing social norms. In ancient times, family structures and laws were very different from today. What was a serious offense in that context might not be understood the same way now. This can lead to confusion or disagreement about how to interpret and apply these rules in the modern world.
Paradox #2
Leviticus 18:8 addresses sexual conduct and sets rules regarding relationships within a family. A contradiction or inconsistency could arise when comparing these rules to other biblical teachings about love, forgiveness, and inclusivity. While this verse imposes strict boundaries, broader biblical messages encourage compassion and understanding, which can conflict with the rigidity of such specific prohibitions.