Revelation 3:22 repeats this exact closing exhortation, concluding the letter to Laodicea as well.

Revelation 2:7 uses the identical exhortation to hear the Spirit, framing the promise to overcomers just like here.

Revelation 2:17 uses the identical refrain, linking the call to hear the Spirit across the letters to the churches.

Matthew 11:15 uses the identical phrase 'He who has ears, let him hear'—the same warning Jesus gave, now applied by the Spirit to the churches.

Matthew 13:9 contains the same call 'He who has ears, let him hear'—Jesus' parable conclusion that Revelation repeats for each church message.

Mark 4:9 has Jesus saying 'Whoever has ears to hear, let them hear'—the identical formula used in Revelation to demand attention to the Spirit's words.

Mark 7:16 (in many manuscripts) says 'If anyone has ears to hear, let them hear'—the same exhortation that closes each letter in Revelation.