Parallel
Mark 1:3
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Φωνὴ βοῶντος ἐν τῇ ἐρήμῳ, Ἑτοιμάσατε τὴν ὁδὸν κυρίου· εὐθείας ποιεῖτε τὰς τρίβους αὐτοῦ.
“A voice of one calling in the wilderness, ‘Prepare the way for the Lord, make straight paths for Him (note: Isaiah 40:3 (see also LXX)).’”