Contradiction with Genesis 6:3
Suggests God limits human lifespan to 120 years, contradicting the extended lifespans in Genesis 5.
Genesis 6:3: And the LORD said, My spirit shall not always strive with man, for that he also [is] flesh: yet his days shall be an hundred and twenty years.
Contradiction with Psalm 90:10
States human lifespan is 70-80 years, differing from the much longer lifespans in Genesis 5.
Psalm 90:10: The days of our years [are] threescore years and ten; and if by reason of strength [they be] fourscore years, yet [is] their strength labour and sorrow; for it is soon cut off, and we fly away. [The days...: Heb. As for the days of our years, in them are seventy years]