Luke 5:10 comes at the close of a remarkable fishing episode. Jesus has been teaching from Simon’s boat, then directs Simon to let down the nets after an unproductive night. The catch is so great that Simon recognizes the holiness and authority of the One before him, falls at Jesus’ knees, and asks Him to depart because he sees himself as sinful. Jesus does not dismiss Simon; He tells him not to fear and announces a new purpose: he will catch people.
Matthew 16:16 records Peter’s answer to Jesus’ question at Caesarea Philippi: “Whom say ye that I am?” The disciples have reported public opinions about Jesus, but Jesus presses them for their own confession. Peter answers as spokesman for the group, naming Jesus “the Christ,” the promised Messiah, and “the Son of the living God.” The verse is therefore not a detached religious slogan; it is the climax of a conversation about Jesus’ identity.
Luke 22:61 occurs during Jesus’ arrest and trial, after Peter has followed at a distance into the high priest’s courtyard. There, in response to questions about his association with Jesus, Peter denies knowing Him three times. The third denial is followed by the crowing of the rooster, and Luke says that the Lord turned and looked upon Peter. That look brings Jesus’ earlier warning to Peter’s memory, making the verse a moment of recognition within a larger collapse.
John 21:17 is the third exchange between the risen Jesus and Simon Peter beside the Sea of Tiberias. The disciples have eaten a breakfast Jesus provided after guiding them to an abundant catch, and Jesus asks Peter three times whether he loves Him. The repetition is painful because it recalls Peter’s three denials. Peter is grieved, not merely because of the number of questions, but because Jesus continues to bring the matter into the open rather than allowing it to remain hidden.