Mark 4:9
And he said unto them, He that hath ears to hear, let him hear.
Cross-reference
Mark 4:3 opens the parable with 'Listen!' — this verse closes with the same call to hear, framing the teaching.
Mark 4:23 repeats this exact 'ears to hear' saying later, emphasizing the need to understand.
Mark 4:24 follows with 'Consider carefully what you hear' — extending the call to heed Jesus' teaching.
Mark 7:16 repeats the identical 'ears to hear' saying, reinforcing the call to spiritual perception.
Mark 7:14 has Jesus again calling the crowd to listen and understand, echoing this same exhortation.
Matthew 11:15 uses the same 'ears to hear' formula, showing this is a consistent teaching of Jesus.
In Matthew 15:10, Jesus similarly calls 'Hear and understand' — a parallel invitation to spiritual perception.
In Luke 8:18, this same saying leads to a warning about how one hears — connecting hearing to accountability.
In Revelation 3:6, this same phrase concludes a message to the church — linking hearing to the Spirit's call.
In Revelation 3:13, the identical exhortation appears for the church in Philadelphia.
Matthew 13:15 explains why some cannot hear (calloused hearts), giving context to the 'ears to hear' call here.