John 21:19
This spake he, signifying by what death he should glorify God. And when he had spoken this, he saith unto him, Follow me.
Cross-references
In John 21:22, Jesus repeats the command to follow, emphasizing personal discipleship over curiosity about others.
In John 12:26, following Jesus leads to being where he is and honor—Peter's death glorifies God, fulfilling this.
In John 13:36, Jesus said Peter would follow later—now revealed as a martyr's death that glorifies God.
In John 13:37, Peter boasted he'd lay down his life—Jesus now reveals the true, costly way he will do so.
John 12:33 uses identical language 'signifying what death' for Jesus' crucifixion. The same phrasing here links Peter's death to Christ's.
In Matthew 10:38, taking up the cross is required to follow—Peter's death embodies this cost of discipleship.
In Matthew 16:21-25, Jesus predicts his death and calls followers to take up their cross—Peter now fulfills that call.
In Mark 8:34, the call to deny self and take up cross to follow—Peter's martyrdom exemplifies this teaching.
In Luke 9:22-26, Jesus teaches that following him means losing one's life. This directly parallels Peter's call to follow even unto death.
In Philippians 1:20, Paul hopes to exalt Christ in his body whether by life or death — the same attitude as Peter glorifying God through his martyrdom.
In 2 Peter 1:14, Peter acknowledges his imminent death as made clear by the Lord — the very death that John 21:19 says will glorify God.
Mark 8:34 defines discipleship as taking up one's cross and following. This is the same call Peter receives after his martyrdom prediction.