God tells us what his will is very plainly in Ephesians 1, “making known to us the mystery of his will, according to his purpose, which he set forth in Christ as a plan for the fullness of time, to unite all things in him, things in heaven and things on earth.” (Eph. 1:9-10) Through Christ, he wants to unite all things in him, both things in heaven and things on earth. He is making everything perfectly one. He accomplishes this by dwelling in man. “I in them and you in me, that they may become perfectly one…” (John 17:23) We are only perfectly one through the Spirit who indwells us, making a home in our hearts (John 14:23), so we could love one another (John 13:34). This is how he makes everything perfectly one. Imagine if everyone in this world allowed God to live in them and they lived in God expressing his will fully, what a world we would have! What a oneness we would have on the earth today! He not only wants to unite all the things on the earth, solving all our differences, and all the things in heaven, dealing with the problem of Satan, the archangel, but uniting heaven with earth so whatever we bind on earth will be bound in heaven, and whatever we loose on earth will be loosed in heaven. (Mat. 16:19) “Your kingdom come, your will be done, on earth as it is in heaven” (Mat. 6:10) His will is whatever is on earth is whatever is in heaven. This is by us knowing Christ as the Son of the living God. (Mat. 16:16) We now know that he is living and alive within us and that we are living and alive within him. This is the solution of all our problems. We would love the way God loves with his Spirit loving through our spirit expressing his nature, which is love, thereby uniting all things.
In this new unified world, there is no need of a temple. “And I saw no temple in the city, for its temple is the Lord God the Almighty and the Lamb. And the city has no need of the sun or moon to shine on it, for the glory of God gives it light, and its lamp is the Lamb.” (Rev. 21:22-23) The invisible God is now made visible for all to see in this united “kingdom of his Son.” (Col. 1:13)
Why? The Divine Revelation 