Contradiction with Mark 13:32
This verse states that the Son does not know the day or hour, whereas Hebrews 1:3 describes the Son as the express image of God's person, implying full knowledge.
Mark 13:32: But of that day and [that] hour knoweth no man, no, not the angels which are in heaven, neither the Son, but the Father.
Contradiction with John 5:19
This verse claims the Son can do nothing of himself, contrasting with the idea in Hebrews 1:3 where the Son is upholding all things by the word of his power.
John 5:19: Then answered Jesus and said unto them, Verily, verily, I say unto you, The Son can do nothing of himself, but what he seeth the Father do: for what things soever he doeth, these also doeth the Son likewise.
Contradiction with Matthew 24:36
Similar to Mark 13:32, it suggests the Son lacks certain knowledge, conflicting with the depiction of divine fullness in Hebrews 1:3.
Matthew 24:36: But of that day and hour knoweth no [man], no, not the angels of heaven, but my Father only.
Contradiction with John 14:28
This verse suggests the Father is greater than the Son, which challenges the portrayal of equality in power and essence in Hebrews 1:3.
John 14:28: Ye have heard how I said unto you, I go away, and come [again] unto you. If ye loved me, ye would rejoice, because I said, I go unto the Father: for my Father is greater than I.
Contradiction with Philippians 2:7
The verse speaks of the Son taking the form of a servant, which appears to contradict his portrayal as bearing the glory of God in Hebrews 1:3.
Philippians 2:7: But made himself of no reputation, and took upon him the form of a servant, and was made in the likeness of men: