He brought him to Jesus. Jesus looked at him, and said, "You are Simon the son of Jonah. You shall be called Cephas" (which is by interpretation, Peter).

 We have already seen that the Fourth Gospel was written in a situation where it was necessary to make sure that John the Baptist did not occupy an exaggerated position in men's thoughts. So John begins this passage with a saying of John the Baptist which gives to Jesus the first place. 