Luke 3:4; Luke 3:16

4 As it is written in the book of the prophet Isaiah: "Someone is shouting in the desert: "Get the road ready for the Lord; make a straight path for him to travel!

16 So John said to all of them, "I baptize you with water, but someone is coming who is much greater than I am. I am not good enough even to untie his sandals. He will baptize you with the Holy Spirit and fire.