<p>15:45 <i>So also it is written: The first man Adam became a living soul. The last Adam became a life-giving spirit- </i>Be aware that the original writers didn't have quotation marks or brackets (consider where Paul might have used them here). The quotation is from Gen. 2:7. But Paul goes on to say that the Lord Jesus as the last Adam is a life-giving spirit. He will be this in a literal sense at the resurrection of the last day. But His Spirit is about moral transformation; we should receive that Spirit now and be transformed. And the resurrection of the last day will also feature an element of moral transformation as well as physical- see on :43.</p><p>There was a first century Jewish speculation that Adam would be re-incarnated as Messiah. Paul's references to Adam and Christ in Rom. 5:12-21 and 1 Cor. 15:45-47 are very careful to debunk that idea. Paul emphasized that no, Adam and Jesus are different, Jesus is superior to Adam, achieved what Adam didn't, whilst all the same being &quot;son of man&quot;. And this emphasis was effectively a denial by Paul that Jesus pre-existed as Adam, or as anyone. For Paul counters these Jewish speculations by underlining that the Lord Jesus was <i>human</i>. The hymn of Phil. 2:6-11 is really a setting out of the similarities and differences between Adam and Jesus- and unlike Adam, Jesus did not even consider equality with God as something to be grasped for (Gen. 3:5). The record of the wilderness temptations also appears designed to highlight the similarities and differences between Adam and Jesus- both were tempted, Adam eats, Jesus refuses to eat; both are surrounded by the animals and Angels (Mk. 1:13).</p>