20 Peter, turning around, saw a disciple following. This was the disciple whom Jesus loved, the one who had also leaned on Jesus’ breast at the supper and asked, “Lord, who is going to betray You?” 21 Peter seeing him, said to Jesus, “Lord, what about this man?”

22 Jesus said to him, “If I desire that he stay until I come, what is that to you? You follow me.” 23 This saying therefore went out among the brothers,† that this disciple wouldn’t die. Yet Jesus didn’t say to him that he wouldn’t die, but, “If I desire that he stay until I come, what is that to you?” 24 This is the disciple who testifies about these things, and wrote these things. We know that his witness is true. 25 There are also many other things which Jesus did, which if they would all be written, I suppose that even the world itself wouldn’t have room for the books that would be written.

John 21:20-25 - World English Bible

This last passage from John wrapped up his gospel and, in a way, the gospel genre. Another follower, the beloved disciple (which tradition assumed to be the evangelist himself) came with the Lord, but Peter questioned his presence: "What about him?" Would this beloved member be alive at the Second Coming? That was a side issue for Jesus; his primary concern was discipleship. And, with that focus, the gospel came to a close with two comments. First, its veracity was guaranteed by an eye witness. Second, Jesus did so many other things, they could fill volume upon volume. In other words, the gospels were written for one reason, discipleship. Eye witness accounts and other traditions about the Lord only strengthen that reason.

How do stories about Jesus add to your faith?