Revelation 2:7 contains the identical refrain closing the first church letter, linking all seven letters together.

Revelation 13:9 repeats the same phrase 'If anyone has an ear, let him hear' — a direct parallel to the refrain in Revelation 2:29.

Matthew 11:15 uses the exact same phrase 'He who has ears to hear, let him hear,' directly parallel to Revelation's refrain.

Matthew 13:9 repeats the identical call 'He who has ears to hear, let him hear,' reinforcing the same demand for attentive listening.

Mark 4:23 states 'If anyone has ears to hear, let him hear,' word for word matching the refrain in Revelation.

Mark 7:16 says 'If anyone has ears to hear, let him hear,' directly paralleling the Spirit's exhortation here.

Luke 14:35 ends with 'He who has ears to hear, let him hear,' the same phrase used in Revelation to urge listening.

1 Timothy 4:1 directly says 'the Spirit expressly says' — the same Spirit whose message is to be heard in Revelation. Strong parallel.