Revelation 4:1-3 (NKJV)
"After these things I looked, and behold, a door standing open in heaven. And the first voice which I heard was like a trumpet speaking with me, saying, 'Come up here, and I will show you things which must take place after this.'"
"Immediately I was in the Spirit; and behold, a throne set in heaven, and One sat on the throne."
"And He who sat there was like a jasper and a sardius stone in appearance; and there was a rainbow around the throne, in appearance like an emerald."
Old Testament foundations for these verses
Even Moses encountered this throne room glory. When God came down on Mount Sinai to give the Law, thunder crashed, lightning flashed, and a thick cloud covered the mountain (Exodus 19:16-19). Later, Moses and Israel's elders saw God with "under His feet as it were a paved work of sapphire stone, and it was like the very heavens in its clarity" (Exodus 24:10). The God who met Moses at Sinai is the God John sees on the throne.
The emerald rainbow connects back to Genesis. When God first placed a rainbow in the sky after the flood, He made a promise: never again would He destroy all life with water (Genesis 9:13-16). That rainbow appears here in the throne room, reminding us that even when God judges, His mercy remains. Judgment never eclipses His covenant faithfulness.
Verse-by-verse commentary
Notice the shift. "After these things" marks a clear transition from the letters to the seven churches. John has finished delivering Christ's messages to His people. Now something new begins. A door opens in heaven. Not a crack. Not a window. An open door, an invitation to enter. This matters more than you might think. In the Old Covenant, approaching God's presence meant death for anyone except the high priest, and even he could enter the Most Holy Place only once a year. But here's John, a fisherman turned apostle, being invited to "come up here."
The writer of Hebrews explains this stunning access: through Jesus, believers now approach "the heavenly Jerusalem" and "God, the Judge of all" (Hebrews 12:22-24). What was once forbidden is now open. The invitation John receives foreshadows the privilege every believer has through Christ. We can approach God's throne with confidence, not because we're worthy, but because Jesus made a way.
John finds himself "in the Spirit." This phrase describes a state where the Holy Spirit enables a prophet to receive divine revelation beyond normal human perception. The first thing John sees? A throne. Not streets of gold. Not reunions with loved ones. A throne. This positioning is deliberate. Everything that follows flows from this central reality: God rules. His throne sits secure in heaven while earth churns with chaos. Before John witnesses any judgment, any suffering, or any end-time drama, he sees the throne. The message is clear: no matter what happens on earth, someone sits on heaven's throne, and His authority never wavers.
John can't fully describe God's appearance, so he uses precious stones to convey what he sees. Jasper, probably a clear stone in ancient times, represents purity and holiness. Sardius, a deep red stone, suggests justice and judgment. Together, they reveal God's character: perfectly holy and perfectly just. Then John notices the rainbow, emerald in appearance, encircling the throne. This isn't decoration. It's a declaration. The same God who saved Noah's family still keeps His promises.