Revelation 21:23 (WEB)
The city has no need for the sun or moon to shine, for the very glory of God illuminated it and its lamp is the Lamb.
Catechism · 1
The spiritual sense. Thanks to the unity of God's plan, not only the text of Scripture but also the realities and events about which it speaks can be signs.
Fathers and councils · 3
Ambrose of Milan
“Is He not good, Who exalted earth to heaven, so that, just as the bright companies of stars reflect His glory in the sky, as in a glass, so the choirs of apostles, martyrs, and priests, shining like glorious stars, might give light throughout the world.” — editor's note: Cf. S. Matt. xiii. 43; Dan. xii. 3. The radiance of these heavenly choirs is the reflection of Him Who is the Light of the World, the True Light.—S. John i. 9;…
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Augustine of Hippo
“On account of which participation, inasmuch as the Mediator Himself became Man, He is styled lantern in the Apocalypse.” — editor's note: Rev. xxi. 23.
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Tertullian
“This both Ezekiel had knowledge of and the Apostle John beheld.” — editor's note: Rev. xxi. 10–23.
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