Revelation 10:4

And when the seven thunders had spoken, I was about to write: and I heard a voice from heaven, saying, Seal up what the seven thunders have spoken, and write it not.

Revelation 1:11

saying, What you see, write in a book, and send it to the seven congregations; to Ephesus, and to Smyrna, and to Pergamos, and to Thyatira, and to Sardis, and to Philadelphia, and to Laodicea.

Revelation 22:10

And he said to me, Seal not up the words of the prophecy of this book; for the time is near.

Revelation 2:1-3

By the messenger of the congregation in Ephesus, write: These things, says he who holds the seven stars in his right hand, who walks in the midst of the seven golden lamps:

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
saying, What you see, write in a book, and send it to the seven congregations; to Ephesus, and to Smyrna, and to Pergamos, and to Thyatira, and to Sardis, and to Philadelphia, and to Laodicea.