Israel's inheritance -- promised from their inception -- is the earth.
Christian's inheritance -- promised in Ephesians -- is the celestial realm, heaven.
Christians DO NOT inherit the earth -- that is Israel's domain promised to them by God who does not renege on His promises!
They get a body suited to the earth, like Jesus had when he was risen from the dead and appeared to them before his ascension.
Christian's get a body like unto Christ's glorified body (Philippians 3:21) that he received when he ascended into (and beyond) heaven.
See also "It is sown a natural body; it is raised a spiritual body. If there is a natural body, there is also a spiritual body" from I Corinthians 15).
Ephesians, Philippians and Colossians speak of our celestial inheritance.
In summary, Christians will meet the Lord in the air and will be taken into heaven to stand at the Bema (the reward stand) for works done in the body. This is an adjudication where everything between believers is set right and rewards are given for faithful service -- there is no condemnation at this reward stand.
Sometime after that, Christ will return to the earth for Israel and will set up his Millennial Kingdom (shown in the Unveiling). Our residence and citizenship is in heaven, and God has even revealed what we are going to be doing there:
Ephesians 2:5-10 -- Even when we were dead in sins, hath quickened us together with Christ, (by grace ye are saved;)
6 And hath raised us up together, and made us sit together in heavenly places in Christ Jesus:
7 That in the ages [Greek: plural for "eons"] to come he might shew the exceeding riches of his grace in his kindness toward us through Christ Jesus.
8 For by grace are ye saved through faith; and that not of yourselves: it is the gift of God:
9 Not of works, lest any man should boast.
10 For we are his workmanship, created in Christ Jesus unto good works, which God hath before ordained that we should walk in them.
Over the next two (and final eons), that of the Millennial Kingdom and that of the New Earth, Christians shall inherit the "heavenly places" and God will exhibit us to his messengers (angels) in demonstration of His glorious love and grace. Our mission will be to reconcile the errant spiritual host back to God while Israel's mission is to teach and disciple the nations on earth. In this way Christ subdues all things in heaven and on earth to himself, and Ephesians 1:10 and Colossians 1:20 will be fulfilled.
Ephesians 1:8-10 -- herein he hath abounded toward us in all wisdom and prudence;
9 Having made known unto us the mystery of his will, according to his good pleasure which he hath purposed in himself:
10 That in the dispensation of the fulness of times he might gather together in one all things in Christ, both which are in heaven, and which are on earth; even in him
Colossians 1:20 -- 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.
The Consummation of all things follows that, when God becomes "All in all."
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