A most important lesson is given us in today's reading. There are some interesting teachings about Peter's love for Jesus, but the real lesson is this:
Another lesson Christ had to give, relating especially to Peter. Peter’s denial of his Lord had been in shameful contrast to his former professions of loyalty. He had dishonored Christ, and had incurred the distrust of his brethren. They thought he would not be allowed to take his former position among them, and he himself felt that he had forfeited his trust. Before being called to take up again his apostolic work, he must before them all give evidence of his repentance. Without this, his sin, though repented of, might have destroyed his influence as a minister of Christ. The Saviour gave him opportunity to regain the confidence of his brethren, and, so far as possible, to remove the reproach he had brought upon the gospel.
Here is given a lesson for all Christ’s followers. The gospel makes no compromise with evil. It cannot excuse sin. Secret sins are to be confessed in secret to God; but, for open sin, open confession is required. The reproach of the disciple’s sin is cast upon Christ. It causes Satan to triumph, and wavering souls to stumble. By giving proof of repentance, the disciple, so far as lies in his power, is to remove this reproach.
While Christ and the disciples were eating together by the seaside, the Saviour said to Peter, “Simon, son of Jonas, lovest thou Me more than these?” referring to his brethren. Peter had once declared, “Though all men shall be offended because of Thee, yet will I never be offended.” Matthew 26:33. But he now put a truer estimate upon himself. “Yea, Lord,” he said, “Thou knowest that I love Thee.” There is no vehement assurance that his love is greater than that of his brethren. He does not express his own opinion of his devotion. To Him who can read all the motives of the heart he appeals to judge as to his sincerity,—“Thou knowest that I love Thee.” And Jesus bids him, “Feed My lambs.”
Again Jesus applied the test to Peter, repeating His former words: “Simon, son of Jonas, lovest thou Me?” This time He did not ask Peter whether he loved Him better than did his brethren. The second response was like the first, free from extravagant assurance: “Yea, Lord; Thou knowest that I love Thee.” Jesus said to him, “Feed My sheep.” Once more the Saviour put the trying question: “Simon, son of Jonas, lovest thou Me?” Peter was grieved; he thought that Jesus doubted his love. He knew that his Lord had cause to distrust him, and with an aching heart he answered, “Lord, Thou knowest all things; Thou knowest that I love Thee.” Again Jesus said to him, “Feed My sheep.”
Three times Peter had openly denied his Lord, and three times Jesus drew from him the assurance of his love and loyalty, pressing home that pointed question, like a barbed arrow to his wounded heart. Before the assembled disciples Jesus revealed the depth of Peter’s repentance, and showed how thoroughly humbled was the once boasting disciple.
Peter was naturally forward and impulsive, and Satan had taken advantage of these characteristics to overthrow him. Just before the fall of Peter, Jesus had said to him, “Satan hath desired to have you, that he may sift you as wheat: but I have prayed for thee, that thy faith fail not: and when thou art converted, strengthen thy brethren.” Luke 22:31, 32. That time had now come, and the transformation in Peter was evident. The close, testing questions of the Lord had not called out one forward, self-sufficient reply; and because of his humiliation and repentance, Peter was better prepared than ever before to act as shepherd to the flock. DA 812.