Commentaries:
Robertson's Word Pictures (NT)
Shall in no wise be shut (ou mh kleisqwsin). Double negative with the first aorist passive subjunctive of kleiw.
By day (hmerav). Genitive of time. Mentioned alone without nuktov (by night), "for there shall be no night there" (nuc gar ouk estai ekei). This looks like a continued picture of heaven.
Other Robertson's Word Pictures (NT) entries containing Revelation 21:25:
Revelation 21:12
Revelation 22:5
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