Pointing to the Lamb, John 1:29-42

Why does John the Baptist delight in pointing his own disciples to Jesus? What does John understand about Jesus that others had not grasped yet? And just why does the Holy Spirit come to rest upon Jesus at his baptism? Father Jeremiah considers these things in his sermon for the Second Sunday of Epiphany.

Image: San Giovanni che indica il Cristo a Sant'Andrea, by Ottavio Vannini (1585-c. 1643), Public domain, via Wikimedia Commons
Location: https://commons.wikimedia.org/wiki/File:Ottavio_vannini,_san_giovanni_che_indica_il_Cristo_a_Sant%27Andrea.jpg