John 1:23
He said, I am the voice of one crying in the wilderness, Make straight the way of the Lord, as Isaiah the prophet said.
Matthew 3:3
For this is he that was spoken of by Isaiah the prophet, saying; A voice of one crying in the wilderness, Prepare the way of the Lord, make his paths straight.
Mark 1:3
A voice of one crying in the wilderness, Prepare the way of the Lord! Make his paths straight.
Luke 1:16-17
and many of the children of Israel shall he turn to the Lord their God.
Luke 1:76-79
And you, little child, shall be called a prophet of the Most High; for you shall go before the face of the Lord to prepare his ways,
Luke 3:4-6
as it is written in the book of the words of Isaiah the prophet; A voice of one crying in the wilderness, prepare the way of the Lord, make his paths straight.
John 3:28
You yourselves bear me witness, that I said, I am not the Christ, but am sent before him.