Contradiction with Romans 3:10
This verse states, "There is none righteous, no, not one," contradicting the idea of all people being righteous in Isaiah 60:21.
Romans 3:10: As it is written, There is none righteous, no, not one:
Contradiction with Psalm 14:3
It claims "there is none that doeth good, no, not one," which opposes the notion of universal righteousness in Isaiah 60:21.
Psalm 14:3: They are all gone aside, they are [all] together become filthy: [there is] none that doeth good, no, not one. [filthy: Heb. stinking]
Contradiction with Ecclesiastes 7:20
It notes, "For there is not a just man upon earth, that doeth good, and sinneth not," contradicting Isaiah 60:21's claim of all being righteous.
Ecclesiastes 7:20: For [there is] not a just man upon earth, that doeth good, and sinneth not.
Contradiction with 1 John 1:8
This verse says, "If we say that we have no sin, we deceive ourselves, and the truth is not in us," differing from the view of complete righteousness in Isaiah 60:21.
1 John 1:8: If we say that we have no sin, we deceive ourselves, and the truth is not in us.