Revelation 10:4

After the seven thunders had spoken, I was going to write it down; but I heard a voice from heaven saying, "Seal up what the seven thunders have said, do not write it."

Revelation 1:11

"Write your vision in a book, and send it to the seven churches, to Ephesus and Smyrna and Pergamum and Thyatira and Sardis and Philadelphia and Laodicea."

Revelation 22:10

He said to me, "Do not seal up the words of the prophecy of this book, for the time is near:

Revelation 2:1-3

To the angel of the church at Ephesus write thus: ??These are the words of him who holds the seven stars in his right hand, who moves among the seven golden lampstands:

Treasury of Scripture Knowledge

Summary

And when the seven thunders had uttered their voices, I was about to write: and I heard a voice from heaven saying unto me, Seal up those things which the seven thunders uttered, and write them not.

Bible References

I was

Revelation 1:11
"Write your vision in a book, and send it to the seven churches, to Ephesus and Smyrna and Pergamum and Thyatira and Sardis and Philadelphia and Laodicea."