As it is written in the book of the words of Isaiah the prophet, "The voice of one crying in the wilderness, 'Make ready the way of the Lord. Make his paths straight.
 Thus all through it is not description alone, but a direct address to the heart In Matthew it was most appropriately a general discourse. Here it is made immediately applicable. That is, He looks at the persons then before Him, and pronounces a blessing upon them distinctly and personally.
