In Jesus’ words, they are like angels but are not actually angels. They are in spirit, and will not marry and have children like regular inhabitants of the Millennial Kingdom. The saints govern the earth and are the kings and priests of it. Secondly, the following quotes may favor the concept of being in spirit in the kingdom of God: Rom 14:17 for the Kingdom of God is not eating and drinking, but righteousness, peace, and joy in the Holy Spirit. 1 Cor 6:13 Foods for the belly, and the belly for foods, but God will bring to nothing both it and them. But the body is not for sexual immorality, but for the Lord; and the Lord for the body.
The inhabitants of the Millennial Kingdom are flesh and blood; they eat and drink, have children and die in old age. They are, therefore flesh and blood, unlike their king Jesus Christ and the saints who are in the spiritual body. Those in a spiritual body do not need to be fed! The final kingdom of God will come after the Millennial Kingdom and after the last judgment has been enforced.
The Kingdom of God is thus a government led by Jesus and the Saints of the first resurrection. Now I say this, brothers, that flesh and blood can’t inherit the Kingdom of God; neither does corruption inherit incorruption. (1 Cor 15:50). – One must be reborn to see the Kingdom of God and to enter it. John 3:3 says: Jesus replied to him: Truly, truly I tell you, unless a person is born from above [Or born again] he cannot see the kingdom of God. Rev 5:9-10 They sang a new song, saying: You are worthy to take the book, and to open its seals: For you were killed, and bought us for God with your blood, out of every tribe, language, people, and nation, 10 And made them kings and priests to our God, And they reign on earth. – On earth or over the earth? Preposition “epi” is generally translated “on” (as on the throne – ἐπὶ θρόνου epi thronou) but some Bibble translations translate this phrase “over earth” and not “upon earth”. On earth means that the administration is located on earth and over earth says the administration can be in heaven.
1 Cor 15:27 For, he put all things in subjection under his feet. But when he says, “All things are put in subjection,” it is evident that he is excepted who subjected all things to him. 28 When all things have been subjected to him, then the Son will also himself be subjected to him who subjected all things to him, that God may be all in all.
The Millennial Kingdom can be characterized as the springboard to the actual kingdom of God that takes place after the Millennial Kingdom when Satan has been destroyed definitively. Those who have been judged worthless in the Last Judgement, have been banished, perhaps forever, from God and those who are given salvation have received the gift of eternal life. At the end, Jesus has surrendered power back to God. The verses in Paul’s letter to the Corianthians reveal that the Millennial Kingdom (or Christ’s kingdom) is a kingdom governed by Christ for a thousand years. After this starts the actual kingdom of God.
Before mankind has reached this far, the mortals must live in the ”first stage” of God’s kingdom. At the kingdom of peace lead by Christ one must try to prove one’s worthiness to the Kingdom of God and for eternal life.
After the first resurrection and Jesus’s second coming when the Kingdom is established, Satan and his troops are bound for a thousand years. The Millennial Kingdom, the kingdom of peace, has begun. The turmoil of wars have destroyed a large number of people, but a small portion is left alive on the earth. Isa 24:1 says: Behold, Yahweh makes the earth empty, and makes it waste, and turns it upside down, and scatters abroad the inhabitants of it. 13 For thus shall it be in the midst of the earth among the peoples, as the shaking of an olive tree, as the gleanings when the vintage is done. 14 These shall lift up their voice, they shall shout; for the majesty of Yahweh they cry aloud from the sea.
For those who walk the broad way, the future is gloomy! “…The inhabitants of the earth are burned, and few men are left” (Isa 24:6) could be a reference to nuclear destruction. This is supported by Zephaniah (1:18) saying that the Lord … “will make a complete end, indeed a terrifying one, of all the inhabitants of the earth”. What other way could such a sudden end come than with the power of nuclear weapons?