¹⁷ And he will go on before the Lord,^(A) in the spirit and power of Elijah,^(B) to turn the hearts of the parents to their children^(C) and the disobedient to the wisdom of the righteous—to make ready a people prepared for the Lord.”^(D)

⁴ As it is written in the book of the words of Isaiah the prophet:

²⁷ This is the one about whom it is written:

3 “I will send my messenger,^(A) who will prepare the way before me.^(B) Then suddenly the Lord^(C) you are seeking will come to his temple; the messenger of the covenant,^(D) whom you desire,^(E) will come,” says the Lord Almighty.

³ This is he who was spoken of through the prophet Isaiah:

² as it is written in Isaiah the prophet: