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 you see, write in a book, and send to the seven churches; 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 the words of the prophecy of this book: for the time is at hand.
Revelation 2:1-3
To the angel of the church in Ephesus, write: These things says he that holds the seven stars in his right hand, that walks in the midst of the seven golden candlesticks;