Now Jesus did many other signs in the presence of the disciples, which are not written in this book; but these are written so that you may believe that Jesus is the Christ, the Son of God, and that by believing you may have life in his name. John 20:30-32
When they had finished breakfast, Jesus said to Simon Peter, “Simon, son of John, do you love me more than these?” He said to him, “Yes, Lord; you know that I love you.” He said to him, “Feed my lambs.”
Then Pilate said to him, "So you are a king?" Jesus answered, "You say that I am a king. For this purpose I was born and for this purpose I have come into the world - to bear witness to the truth. Everyone who is of the truth listens to my voice." John 18:37