Contradiction with Hebrews 10:4
It says it's impossible for the blood of bulls and goats to take away sins, contradicting with Isaiah 6:7, where a coal purifies Isaiah's sin.
Hebrews 10:4: For [it is] not possible that the blood of bulls and of goats should take away sins.
Contradiction with Jeremiah 17:9
Describes the heart as deceitful and desperately wicked, suggesting a deeper issue than what could be resolved as described in Isaiah 6:7.
Jeremiah 17:9: The heart [is] deceitful above all [things], and desperately wicked: who can know it?
Contradiction with Psalm 51:5
States that humans are sinful from birth, indicating pervasiveness of sin that a single act like in Isaiah 6:7 couldn't cleanse entirely.
Psalm 51:5: Behold, I was shapen in iniquity; and in sin did my mother conceive me. [conceive...: Heb. warm me]
Contradiction with 1 John 1:8
Claims that if we say we have no sin, we deceive ourselves, implying that Isaiah 6:7’s singular purification is inconsistent with ongoing sinfulness.
1 John 1:8: If we say that we have no sin, we deceive ourselves, and the truth is not in us.
Contradiction with Romans 3:23
Asserts all have sinned and fall short of God's glory, challenging the idea of instantaneous total purification implied in Isaiah 6:7.
Romans 3:23: For all have sinned, and come short of the glory of God;
Paradox #1
The potential contradiction in Isaiah 6:7 could involve the idea of sin being removed purely through a symbolic action or ritual. Some might argue it conflicts with the concept that true moral change requires sincere repentance and effort, not just a ritual or divine intervention. This could be seen as inconsistent with teachings emphasizing personal responsibility for moral behavior.