Revelation of John 21:25
25. not be shut . . . by day—therefore shall never be shut: for it shall always be day. Gates are usually shut by night: but in it shall be no night. There shall be continual free ingress into it, so as that all which is blessed and glorious may continually be brought into it. So in the millennial type.
Revelation of John 21:27
27. anything that defileth—Greek, "koinoun." A and B read [koinon,] "anything unclean."
in the Lamb's book of life—(See on Re 20:12; Re 20:15). As all the filth of the old Jerusalem was carried outside the walls and burnt there, so nothing defiled shall enter the heavenly city, but be burnt outside (compare Re 22:15). It is striking that the apostle of love, who shows us the glories of the heavenly city, is he also who speaks most plainly of the terrors of hell. On Re 21:26, 27, ALFORD writes a Note, rash in speculation, about the heathen nations, above what is written, and not at all required by the sacred text: compare Note, see on Re 21:26.Revelation of John 22:14
14. do his commandments—so B, Syriac, Coptic, and CYPRIAN. But A, Aleph, and Vulgate read, "(Blessed are they that) wash their robes," namely, in the blood of the Lamb (compare Re 7:14). This reading takes away the pretext for the notion of salvation by works. But even English Version reading is quite compatible with salvation by grace; for God's first and grand Gospel "commandment" is to believe on Jesus. Thus our "right" to (Greek, "privilege" or "lawful authority over") the tree of life is due not to our doings, but to what He has done for us. The right, or privilege, is founded, not on our merits, but on God's grace.
through—Greek, "by the gates."