Contradiction with Ezekiel 28:17
This verse speaks of pride and downfall, which contrasts with Daniel 8:17, where understanding and enlightenment during the vision are emphasized.
Ezekiel 28:17: Thine heart was lifted up because of thy beauty, thou hast corrupted thy wisdom by reason of thy brightness: I will cast thee to the ground, I will lay thee before kings, that they may behold thee.
Contradiction with Isaiah 6:9
This verse describes people who will not understand or perceive, contradicting the command in Daniel 8:17 for Daniel to understand the vision.
Isaiah 6:9: And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not. [indeed, but understand: or, without ceasing, etc: Heb. in hearing, etc]
Contradiction with Proverbs 3:5
This verse advises trusting in the Lord and not relying on one's understanding, which contrasts the directive in Daniel 8:17 to understand the vision.
Proverbs 3:5: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with 1 Corinthians 13:12
This verse speaks of seeing things dimly and not fully understanding, which contrasts the clear understanding of the vision indicated in Daniel 8:17.
1 Corinthians 13:12: For now we see through a glass, darkly; but then face to face: now I know in part; but then shall I know even as also I am known. [darkly: Gr. in a riddle]