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 the things which the seven thunders spoke, and write them not.

Revelation 1:11

saying: What thou seest, write in a book, and send it to the seven churches; to Ephesus, and to Smyrna, and to Pergamus, and to Thyatira, and to Sardes, and to Philadelphia, and to Laodicea.

Revelation 22:10

And he saith to me, Seal not the words of the prophecy of this book; the time is at hand.

Revelation 2:1-3

To the angel of the church in Ephesus write: These things saith he that holdeth the seven stars in his right hand, who walketh in the midst of the seven golden candlesticks:

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 thou seest, write in a book, and send it to the seven churches; to Ephesus, and to Smyrna, and to Pergamus, and to Thyatira, and to Sardes, and to Philadelphia, and to Laodicea.