Ellicott's Commentary for English Readers - Revelation 21:27
(27) And there shall in no wise enter into . . .—Better, And there shall never enter into her anything unclean, and he that worketh abomination and falsehood, but only (or, except) they that have been written in the book of life of the Lamb. The gates stand open always, but no evil thing may find a home there. The emphatic repetition here (see Revelation 21:8) of the idea that all sin is excluded, is in harmony with all other Scripture: no unholiness can dwell in the presence of God. The... read more
Ellicott's Commentary for English Readers - Revelation 21:25-26
(25, 26) And the gates of it . . .—Better, And the gates (or, gate-towers) shall never be shut by day, for night shall not be there. The gates shall never be shut: all day they shall be open, and that day shall be for ever, for there shall be no night there. All that darkens—the sin that brings night on the soul; the sorrow that brings night on the heart—shall be banished for ever. In peace by day, the city gates will be open; nor can there be night when God the Almighty is the Sun. (Comp.... read more