The problem here is that you are not studying context.
The context of this chapter is about the eternal priesthood of the son. Not of the man but of the son or even of the sonship.
So this son is going to be a priest forever it says. The sonship is going to make intercession forever. Not like the old testament priests but in the new covenant.
What is the sonship? It is about flesh and divine Spirit coming together to bring about salvation for the lost.
Jesus the Christ, (The flesh bearing the name of the Spirit that indwelled in it) was the first but not the last of this sonship. When that body (singular) was taken up into the clouds it went …… where? To …… Kolob?
In the Spiritual dimension we know that Jesus is the Father. The Spirit is Jesus and vice verse.
When it speaks of the sonship it refers to the humanity. This is elementary stuff that I learned as a 16 year old UPCI preachers kid.
So, the flesh is not deity but the container for the deity. Fast forward to the day of Pentecost. Jesus, God, has already said he would come back, (
John 14,
Acts 1) and bingo, here he comes. He fills humanity again and ….. we see the sonship again!!!
Joh 1:11 He came unto his own, and his own received him not.
Joh 1:12 But as many as received him, to them gave he power to become the sons of God, even to them that believe on his name:
Joh 1:13 Which were born, not of blood, nor of the will of the flesh, nor of the will of man, but of God.
Wow!!!
To use the words of others....
I mean, how much plainer can it get?