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In the New Jerusalem the will be no past, present or future as we see here on earth, but only that of eternal life with the Father. No one who has ever died have ascended up to heaven.
When those who are Christ own have died and those who are alive at the coming of Christ on the last day will be caught up to meet Christ in the air and there is no more remembrance of the past or the present as there is no more thought or emotions when one dies. We are not raised with this flesh and blood body, but will be changed as given a new Spiritual glorified body that no one knows what it will look like, but that we will look like Christ in His glorified body. No more flesh and blood as neither one can receive the Kingdom of God. Our future is that of eternal life with the Father as described in, Rev 21:9-27; 22:1-5 that we need to be looking to.
John 3:13 And no man hath ascended up to heaven, but he that came down from heaven, even the Son of man which is in heaven.
1Cor 15:50 Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; neither doth corruption inherit incorruption.
1Cor 15:51 Behold, I shew you a mystery; We shall not all sleep, but we shall all be changed,
1Co 15:52 In a moment, in the twinkling of an eye, at the last trump: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.
1Cor 15:53 For this corruptible must put on incorruption, and this mortal must put on immortality.
1Cor 15:54 So when this corruptible shall have put on incorruption, and this mortal shall have put on immortality, then shall be brought to pass the saying that is written, Death is swallowed up in victory.
1Cor 15:55 O death, where is thy sting? O grave, where is thy victory?
1Thess 4:13 But I would not have you to be ignorant, brethren, concerning them which are asleep, that ye sorrow not, even as others which have no hope.
1Thess 4:14 For if we believe that Jesus died and rose again, even so them also which sleep in Jesus will God bring with him.
1Thess 4:15 For this we say unto you by the word of the Lord, that we which are alive and remain unto the coming of the Lord shall not prevent them which are asleep.
1Thess 4:16 For the Lord himself shall descend from heaven with a shout, with the voice of the archangel, and with the trump of God: and the dead in Christ shall rise first:
1Thess 4:17 Then we which are alive and remain shall be caught up together with them in the clouds, to meet the Lord in the air: and so shall we ever be with the Lord.
1Thess 4:18 Wherefore comfort one another with these words.
Rev 21:1 And I saw a new heaven and a new earth: for the first heaven and the first earth were passed away; and there was no more sea.
Rev 21:2 And I John saw the holy city, new Jerusalem, coming down from God out of heaven, prepared as a bride adorned for her husband.
Rev 21:3 And I heard a great voice out of heaven saying, Behold, the tabernacle of God is with men, and he will dwell with them, and they shall be his people, and God himself shall be with them, and be their God.
Rev 21:4 And God shall wipe away all tears from their eyes; and there shall be no more death, neither sorrow, nor crying, neither shall there be any more pain: for the former things are passed away.
Rev 21:5 And he that sat upon the throne said, Behold, I make all things new. And he said unto me, Write: for these words are true and faithful.