NET
3 For he is the one about whom the prophet Isaiah had spoken: “The voice of one shouting in the wilderness, ‘Prepare the way for the Lord, make his paths straight.’”
Darby
3 For this is he who has been spoken of through Esaias the prophet, saying, Voice of him that crieth in the wilderness: prepare ye the way of [the] Lord, make straight his paths.
KJV
3 For this is he that was spoken of by the prophet Esaias, saying, The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight.