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"""Hopefully, no one will find this question silly or speculative only. My question is if Adam had not fallen, would he have to be born again to enter into heaven? I would ask consideration of this question in light of 1Cor15:45-50, John 3:5,6 and Genesis 3:22,23. I think the question and these verses create an interesting consideration of the superior position the redeemed have even over pre-fallen Adam and further the discussion about falling away from the eternal life we are given through the imperishable seed given those in Christ."""
God breathed into Adam the breath of life, his soul, his mental faculties, his ability to think and choose in himself.. But Adam had no spirit in him until he chose to believe Satan and then Satan became Adams father. Just like after the cross and we choose to believe that Jesus Christ is the Son of God, Jesus presents us to the Father and we become son's of God Through believing God as Adam believed Satan, it is all in the believing the Christ that is birthed in us, to make us new creature, seeking the Father through the Seed born again in the believer.
Joh 3:3 Jesus answered and said unto him, Verily, verily, I say unto thee, Except a man be born again, he cannot see the kingdom of God.
Joh 3:7 Marvel not that I said unto thee, Ye must be born again.
1Pe 1:23 Being born again, not of corruptible seed, but of incorruptible, by the word of God, which liveth and abideth for ever.
The first Adam was a, "living soul", the Last Adam, that is Jesus Christ became a, "living quickening Spirit". Adam who is earthly, as all in Adam are, The Born Again being heavenly as all in Christ are.
Ephesians 1:3-4 Blessed be the God and Father of our Lord Jesus Christ, who hath blessed us with all spiritual blessings in heavenly places in Christ: According as He (God the Father) hath chosen us in Him (Jesus Christ) before the foundation of the world, that we should be holy and without blame before Him (God the Father) in love:
How could Adam, be born again without the sacrifice on the cross and the revelation of the Mystery to Paul being chosen from his mother's womb to have Christ reveled in him.
John 3:4 Nicodemus saith unto him, How can a man be born when he is old? can he enter the second time into his mother's womb, and be born?
The difference in religious Israel and God's birthed son's.
Galatians 1:14-16 And profited in the Jews' religion above many my equals in mine own nation, being more exceedingly zealous of the traditions of my fathers. But when it pleased God, who separated me from my mother's womb, and called me by his grace, To reveal his Son in me, that I might preach him among the heathen; immediately I conferred not with flesh and blood:
So it is Christ in you the Hope of Glory that brings us back into the garden, that we might have fellowship again with the Father, because of Christ birthed in us. Now being able to partake of the Tree of Life Himself and live as son's of God forever.
Colossians 1:18-28 And he is the head of the body, the church: who is the beginning, the firstborn from the dead; that in all things he might have the preeminence. For it pleased the Father that in him should all fulness dwell; And, having made peace through the blood of his cross, by him to reconcile all things unto himself; by him, I say, whether they be things in earth, or things in heaven. And you, that were sometime alienated and enemies in your mind by wicked works, yet now hath he reconciled In the body of his flesh through death, to present you holy and unblameable and unreproveable in his sight: If ye continue in the faith grounded and settled, and be not moved away from the hope of the gospel, which ye have heard, and which was preached to every creature which is under heaven; whereof I Paul am made a minister; Who now rejoice in my sufferings for you, and fill up that which is behind of the afflictions of Christ in my flesh for his body's sake, which is the church: Whereof I am made a minister, according to the dispensation of God which is given to me for you, to fulfil the word of God; Even the mystery which hath been hid from ages and from generations, but now is made manifest to his saints: To whom God would make known what is the riches of the glory of this mystery among the Gentiles; which is Christ in you, the hope of glory: Whom we preach, warning every man, and teaching every man in all wisdom; that we may present every man perfect in Christ Jesus:
Now we can seek those things that are above.
Colossians 3:1-4 If ye then be risen with Christ, seek those things which are above, where Christ sitteth on the right hand of God. Set your affection on things above, not on things on the earth. For ye are dead, and your life is hid with Christ in God. When Christ, who is our life, shall appear, then shall ye also appear with him in glory.
The life of Christ in us, which Those that are not born again do not have. That is why Israel is still waiting for their earthly Kingdom ruled by the promised Messiah whom they crucified.
If Adam would have chosen the Tree of Life over the Tree of the knowledge of Good and evil, Adam would have been given the Spirit of Christ and Satan would never have ruled in men's hearts. If I were Adam I would not be able to do any better, I would have fallen also, for all have sinned and fall short of the Glory of God.
Who is Glory and our Glory also?
Colossians 1:27 To whom God would make known what is the riches of the Glory of this mystery among the Gentiles; which is Christ in you, the hope of Glory:
In the Glory of Christ: Phillip