Revelation 21:23

21:23 The city does not need the sun or the moon to shine on it, because the glory of God lights it up, and its lamp is the Lamb.

Revelation 21:27

21:27 but nothing ritually unclean will ever enter into it, nor anyone who does what is detestable or practices falsehood, but only those whose names are written in the Lamb’s book of life.