Material human body:
Luke 24:37-39 (NKJV) 37 But they were terrified and frightened, and supposed they had seen a spirit. 38 And He said to them, "Why are you troubled? And why do doubts arise in your hearts? 39 Behold My hands and My feet, that it is I Myself. Handle Me and see, for a spirit does not have flesh and bones as you see I have."
Paul wrote this. If Christ was the firstborn, it implies we will rise like Him:
Col 1:18 (NKJV) 18 And He is the head of the body, the church, who is the beginning, the firstborn from the dead
Paul said this. If he was the first to rise from the dead, then there are second, third, and many more that will rise like Him:
Acts 26:23 (NKJV) 23 that the Christ would suffer, that He would be the first to rise from the dead, and would proclaim light to the Jewish people and to the Gentiles.”
Same here, but from John:
1 John 3:2 (NKJV) 2 Beloved, now we are children of God; and it has not yet been revealed what we shall be, but we know that when He is revealed, we shall be like Him, for we shall see Him as He is.
That glorified material human body came from the elements of the non-glorified body, otherwise, the tomb would not be empty:
Luke 24:2-3 (NKJV) 2 But they found the stone rolled away from the tomb. 3 Then they went in and did not find the body of the Lord Jesus.
The future resurrection is of material human bodies from the elements of the old body:
Jhn 5:28-29 NKJV - 28 "Do not marvel at this; for the hour is coming in which all who are in the graves will hear His voice 29 "and come forth--those who have done good, to the resurrection of life, and those who have done evil, to the resurrection of condemnation.
Awaken from the dust, human bodies coming back to life from the elements of old.
Daniel 12:1-3 (NKJV) And at that time your people shall be delivered,
Every one who is found written in the book.
2 And many of those who sleep in the dust of the earth shall awake,
Some to everlasting life,
Some to shame and everlasting contempt.
3 Those who are wise shall shine
Like the brightness of the firmament,
And those who turn many to righteousness
Like the stars forever and ever.
Our mortal bodies are given life according to this passage, not thrown away and replaced, but are changed from its elements:
Romans 8:11 (NKJV) 11 But if the Spirit of Him who raised Jesus from the dead dwells in you, He who raised Christ from the dead will also give life to your mortal bodies through His Spirit who dwells in you.
According to those passages, it is definitely a transformation, not a replacement.
God is leaving empty tombs, and that communicates a message. It is human body, but glorified, sanctified, it is real life. It is not a spirit, or some sort of empty vessel. It is of the human kind.
Now, how can you reconcile the passage from Paul about spiritual bodies vs natural bodies with these other passages?
Paul letters are difficult, and were even to the original audience, including Peter himself:
2 Peter 3:14-16 (NKJV) 14 Therefore, beloved, looking forward to these things, be diligent to be found by Him in peace, without spot and blameless; 15 and consider that the longsuffering of our Lord is salvation—as also our beloved brother Paul, according to the wisdom given to him, has written to you, 16 as also in all his epistles, speaking in them of these things, in which are some things hard to understand, which untaught and unstable people twist to their own destruction, as they do also the rest of the Scriptures.
You need to unearth Paul intention, so you can see his overall thought flow and what he is trying to say, and then look how Paul used terms in their context, which may not be the way a term is used in other part of the Bible. Sometimes translations make it more obscure than it needs to be as well.
Some phrases sound like contradiction:
For example:
1 Corinthians 15:47-49 (NKJV) 47 The first man was of the earth, made of dust; the second Man is the Lord from heaven. 48 As was the man of dust, so also are those who are made of dust; and as is the heavenly Man, so also are those who are heavenly. 49 And as we have borne the image of the man of dust, we shall also bear the image of the heavenly Man.
Jesus was sent from God from heaven in the sense that he was commissioned from Him, but Jesus was also made out of a woman, so dust. However, Paul is comparing Adam made from dust to the Lord from heaven. By mentioning "dust" you get the impression he is comparing forming materials. If the comparison is taken literally, it seems like a contradiction, however, if you look at the context, and his purpose, then you get the point better, as you start realizing how Paul is using the terms and with what intention.
The same with this one:
1 Corinthians 15:50 (NKJV) 50 Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; nor does corruption inherit incorruption.
That phrase, if taken out of the context, at face value, it is contradiction with the things that Jesus told his disciples when he appeared to them. However, you can find out by seeking his purpose, and what he is trying to address, and how he wants to steer the audience to a different thinking. You can see it this way: there are some implicit qualifications (clarification) that go with the terms and phrases he uses.
Some accused Paul of:
(NKJV) 8 And why not say, "Let us do evil that good may come"?—as we are slanderously reported and as some affirm that we say.
Some used his phrases taken out of context to get to that conclusion, and most likely intentionally, to ridicule him.
Paul was in many occasions more focus on steering the audience than trying to be accurate. With not being "accurate" I mean being truthful but not clarifying or balancing out those profound terms and reasoning he uses right on the letter being written, because of the issue at hand, and there is an assumption of some things being understood (it is a letter after all). Basically, highlighting only certain angles of the topic to make a point and steer people's thinking. That's why
all the context (and the different kinds of them) is crucial to truly understand the point. By the way, we do that all the time in our speech, except in mathematics proofs

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