Sorry for the double post, but I thought this would help.
Here is where I got the idea that both the called and chosen are collectively God's church.
https://bible-truths.com/lake13.html (https://bible-truths.com/lake13.html)MYSTERY, BABYLON THE GREAT,
THE MOTHER OF HARLOTS AND
ABOMINATIONS OF THE EARTH"
(Rev. 17:1-5).
And now for one of the most amazing Truths in all Revelation:
"And I heard another voice from heaven, saying, "Come out of her [Mystery Babylon the Great], MY PEOPLE, that ye be not partakers of her sins, and that ye receive not of her plagues" (Rev. 18:4).
GOD CALLS HIS PEOPLE OUT OF THE VERY CHURCH THAT HE CALLED THEM INTO!
"Many are called but few are chosen" (Matt. 22:14).
Few realize that there is a "church WITHIN the church." When God chooses us FROM AMONG the called, we become separate from their doctrines and sins. We are still "The Church of the Living God," but we are a peculiar people that no longer follows the traditions of men, which the many called who are building the house upon the sand continue to follow.
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Christ's Kingdom is not of this world because His Kingdom is a spiritual Kingdom in a spiritual realm. His church which makes up both the called and chosen are here on earth. Christ's church (the chosen) can be here on earth and in the spiritual realm of Heaven at the same time. Another quote from Ray where he expounds on this idea from the same paper I linked.
SEA, EARTH, AND HEAVEN
There are three realms spoken of in Revelation: sea, earth, and heaven:
"And the angel which I saw stand upon the SEA and upon the EARTH lifted up his hand to HEAVEN, and swore by Him that lives for ever and ever, [for the eons of the eons], who created HEAVEN, and the things that therein are, and the EARTH, and the things that therein are, and the SEA, and the things which are therein, that there should be time no longer [no longer a time of delay]" (Rev. 10:5-6).
The angels [messengers] of God communicate things from heaven to both the earth and the sea: "And the voice which I heard from heaven spoke unto me again, and said, Go and take the little book which is open in the hand of the ANGEL which stands upon the sea and upon the earth" (Rev. 10: 8) .
There are three realms of humanity and three realms of spiritual understanding. The lowest of all is the sea. Those with at least some spiritual understanding are those who dwell in the earth. And those who have the very mind of Christ are those who dwell in heaven. ALL REALMS will give honor and glory to God: