Revelation 21:23

And the city had no need of the sun, neither of the moon, to shine in it; for the glory of the Lord enlightened it, and the Lamb is the light of it.

Revelation 22:5

And there shall be no more night; and they have no need of a lamp, nor of the light of the sun; because the Lord God shall enlighten them: and they shall reign for ever and ever.

Treasury of Scripture Knowledge

Summary

And his brightness was as the light; he had horns coming out of his hand: and there was the hiding of his power.

Bible References

Brightness

Revelation 21:23
And the city had no need of the sun, neither of the moon, to shine in it; for the glory of the Lord enlightened it, and the Lamb is the light of it.
Revelation 22:5
And there shall be no more night; and they have no need of a lamp, nor of the light of the sun; because the Lord God shall enlighten them: and they shall reign for ever and ever.