John 1:25-29

asked him, “Why then are you baptizing, if you're not the Messiah, or Elijah, or the Prophet?”

John replied, “I baptize with water, but standing among you is someone you don't know.

He is coming after me, but I am not even worthy to untie his sandals.”

This all happened in Bethany beyond the Jordan, where John was baptizing.

The next day John saw Jesus approaching him, and said, “Look, the Lamb of God, who takes away the sin of the world!