And the city had no need of the sun, neither of the moon, to shine in it: for the glory of God did lighten it, and the Lamb is the light thereof. – Revelation 21:23

In heaven you will see nothing without Him. “Nothing?” say you. No, nothing; here is a proof of my words. “The city had no need of the sun, neither of the moon, to shine in it; for the glory of God did lighten it, and the Lamb is the light thereof.” All the light, the knowledge, the joy, the bliss of heaven, come through the atoning sacrifice of Christ. Not Jesus only, but Jesus slain, Jesus the Lamb of God, is the very light of heaven.

And what, think you, is the joy-day of heaven, the time for the highest exultation? Why, the joyous day when all the golden bells shall peal out their glorious melodies, and all the silver trumpets shall ring out their jubilant notes, will be the day of the marriage of the Lamb. It is the heaven of heavens, the climax of ineffable delight; and the voice of the great multitude, as the voice of many waters, and as the voice of mighty thunderings, sings, “Alleluia: for the Lord God omnipotent reigneth. Let us be glad and rejoice and give honor to Him: for the marriage of the Lamb is come, and His wife hath made herself ready.” So that, at the topmost round of the ladder of eternal bliss, there do you find the Lamb. You cannot get beyond Him. He gives you all He has, even Himself. Behold Him, then, and go on beholding Him throughout the countless ages of eternity. ~ C.H. Spurgeon

https://www.blueletterbible.org/Comm/spurgeon_charles/sermons/2329.cfm