1) Jesus cleanses the temple in Jerusalem, driving out money changers and animal sellers. This angers the Jewish leaders who demand a sign from Jesus.
2) Jesus then has a conversation with Nicodemus, a Pharisee leader, telling him that one must be "born again" or "born of water and the Spirit" to see the kingdom of God. When Nicodemus does not understand, Jesus scolds him for not knowing this as a teacher of Israel.
3) Jesus explains that just as Moses lifted up the serpent in the wilderness, so must the Son of Man be lifted up so that all who believe in him may have eternal life. God sent his Son not