Contradiction with Matthew 10:28
This verse contradicts Isaiah 8:13 by emphasizing fear of God who can destroy both soul and body, while Isaiah stresses fearing only God as holy.
Matthew 10:28: And fear not them which kill the body, but are not able to kill the soul: but rather fear him which is able to destroy both soul and body in hell.
Contradiction with 1 John 4:18
This verse contradicts Isaiah 8:13 as it states perfect love casts out fear, implying fear of God should not exist.
1 John 4:18: There is no fear in love; but perfect love casteth out fear: because fear hath torment. He that feareth is not made perfect in love.
Contradiction with Matthew 22:39
This verse contradicts Isaiah 8:13 by emphasizing love for your neighbor, while Isaiah focuses solely on the fear of God.
Matthew 22:39: On these two commandments hang all the law and the prophets.