4. As it is written in the book of the words of Isaiah the prophet, saying: “The voice of one crying in the wilderness:‘Prepare the way of the Lord;make His paths straight.
5. Every valley shall be filledand every mountain and hill shall be brought low;and the crooked shall be made straightand the rough ways shall be made smooth;
6. and all flesh shall see the salvation of God.’ ”
7. Then he said to the crowds that came out to be baptized by him, “You children of vipers! Who warned you to flee from the wrath to come?