Commentaries:
Barnes' Notes
And I heard a great voice out of heaven - As if uttered by God himself or the voice, of angels.
Behold, the tabernacle of God is with men - The tabernacle, as that word is commonly used in the Scriptures, referring to the sacred "tent" erected in the wilderness, was regarded as the unique dwelling-place of God among his people - as the temple was afterward, which was also called a "tabernacle." See the notes on Hebrews 9:2. The meaning here is, that God would now dwell with the redeemed, as if in a tabernacle, or in a house specially prepared for his residence among them. It is not said that this would be "on the earth," although that may be; for it is possible that the earth, as well as other worlds, may yet become the abode of the redeemed. See the notes on II Peter 3:13.
And he will dwell with them - As in a tent, or tabernacle - ́ skēnōsei . This is a common idea in the Scriptures.
And they shall be his people - He will acknowledge them in this public way as his own, and will dwell with them as such.
And God himself shall be with them - Shall be permanently with them; shall never leave them.
And be their God - Shall manifest himself as such, in such a manner that there shall be no doubt.
Other Barnes' Notes entries containing Revelation 21:3:
Psalms 87:3
Isaiah 54:1
Ezekiel 36:28
Ezekiel 48:35
Joel 3:17
Zephaniah 3:15
Zechariah 2:10
Revelation 7:15
Revelation 22:5
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