Contradiction with Proverbs 3:5
Isaiah 7:9 emphasizes the importance of faith, whereas Proverbs 3:5 advises trusting in the Lord with all your heart and not relying on your own understanding, which suggests a different approach to faith and reliance.
Proverbs 3:5: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with James 2:17
Isaiah 7:9 connects belief with being established, while James 2:17 states that faith without works is dead, implying that faith alone is not sufficient for stability.
James 2:17: Even so faith, if it hath not works, is dead, being alone. [alone: Gr. by itself]
Contradiction with John 12:37
Isaiah 7:9 suggests faith is essential for establishment, but John 12:37 shows that many did not believe despite witnessing miracles, questioning the direct link between faith and establishment.
John 12:37: But though he had done so many miracles before them, yet they believed not on him:
Contradiction with Matthew 17:20
Isaiah 7:9 suggests a foundational need for faith, whereas Matthew 17:20 in discussing faith as small as a mustard seed implies varying degrees and effectiveness of faith.
Matthew 17:20: And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.