Revelation 1:4
[This book is from] John [and is being sent] to the seven churches that are in Asia [Note: This refers to the province of Asia Minor, a part of present-day Turkey]. May there be unearned favor and peace to you from God, the One who is [in the present], who was [in the past] and who will come [in the future], and from the seven spirits that are in front of God's throne [Note: Because the number "seven" was regarded as the number of perfection by the Jews, it is thought that this refers to the Holy Spirit].
Revelation 1:20
The secret of the seven stars that you saw in my right hand and the seven golden lampstands [is this]: The seven stars are the angels [i.e., messengers] of the seven churches. And the seven lampstands are the seven churches."
Revelation 5:1
Then I saw in the right hand of God, who sat on His throne, a book with writing on the inside and on the back, and sealed with seven seals.
Revelation 5:6
Then I saw a Lamb, looking like it had been killed. He was standing in the center of the throne, surrounded by the four living beings and the [twenty-four] elders. He has seven horns and seven eyes, which are the seven Spirits of God [i.e., the Holy Spirit. See 1:4], sent throughout the entire earth.
Revelation 8:2
And I saw the seven angels who were standing in front of God, and they were given seven trumpets.
Revelation 8:6
And the seven angels who had the seven trumpets prepared to blow them.
Revelation 10:3
and he called out in a loud voice, like a roaring lion. And when he shouted, the seven thunders responded to the voice [of the angel]. [Note: These "seven thunders" have not been previously mentioned].
Revelation 15:1
Then I saw another great and marvelous [supernatural] sign in heaven. There were seven angels that had the seven last judgments which would complete the wrath of God.
Revelation 15:7
And one of the four living beings gave to the seven angels seven golden bowls filled with the wrath of God, who lives forever and ever.
Revelation 16:1
Then I heard a loud voice from the Temple saying to the seven angels, "You [angels], go and pour out the seven bowls of God's wrath upon the earth."