Mark 1:3
"The voice of one crying in the wilderness, Prepare the way of the Lord, make straight his paths!"
Matthew 3:3
For this is he that was spoken of through Isaiah the prophet, saying, "The voice of one crying in the wilderness, Prepare the way of the Lord, make straight his paths!"
Luke 3:4-6
as it is written in the book of the words of Isaiah the prophet: "The voice of one crying in the wilderness, Prepare the way of the Lord, make straight his paths!
John 1:15
John beareth witness of him, and crieth, saying, This was he of whom I said, He that cometh after me hath gone before me; for he was before me.
John 3:28-36
Ye yourselves bear me witness, that I said, I am not the Christ, but that I was sent before that man.
John 1:19-34
And this is the witness of John, when the Jews sent priests and Levites from Jerusalem, to ask him, Who art thou?