Revelation 1:20

1:20 The mystery of the seven stars that you saw in my right hand and the seven golden lampstands is this: The seven stars are the angels of the seven churches and the seven lampstands are the seven churches.

Revelation 6:10

6:10 They cried out with a loud voice, “How long, Sovereign Master, holy and true, before you judge those who live on the earth and avenge our blood?”