9 if any one has ears, let him hear.
Revelation 13:9 Cross References - Godbey
Revelation 2:7
7 Let the one having ears, hear what the Spirit says to the churches; to him who conquers I will give to eat of the tree of life, which is in the Paradise of God.
Revelation 2:11
11 Let the one having ears, hear what the Spirit says to the churches; The one conquering can never be hurt by the second death.
Revelation 2:17
17 Let the one having ears hear what the Spirit says to the churches; unto the one conquering will I give to him of the hidden manna, and I will give him a white stone, and on the stone my new name having been written, which no one knows but the one receiving it.
Revelation 2:29
29 Let the one having ears, hear what the Spirit says to the churches.