21 And they asked him, What then? Are you Elijah? And he says, I am not. Are you that prophet? And he answered, No.

22 Then they said to him, Who are you so that we may give an answer to those who sent us? What do you say of yourself?

23 He said, I [am] the voice of one crying in the wilderness: Make straight the way of the Lord, as the prophet Isaiah said.