Contradiction with Romans 3:11
States that there is none who understands or seeks after God, contradicting John 6:45 which implies people are taught by God and come to an understanding.
Romans 3:11: There is none that understandeth, there is none that seeketh after God.
Contradiction with Matthew 11:27
Suggests that only the Son reveals the Father, whereas John 6:45 implies all are taught by God.
Matthew 11:27: All things are delivered unto me of my Father: and no man knoweth the Son, but the Father; neither knoweth any man the Father, save the Son, and [he] to whomsoever the Son will reveal [him].
Contradiction with 1 Corinthians 2:14
Indicates that natural man cannot understand spiritual things, conflicting with the idea in John 6:45 that humans hear and learn from God.
1 Corinthians 2:14: But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know [them], because they are spiritually discerned.