And he shall go (r) before him (s) in the spirit and power of Elias, to turn the (t) hearts of the fathers to the children, and the disobedient to the (u) wisdom of the just; to make ready a people prepared for the Lord.
(r) As they used to go before kings, and when you see them, you know the king is not far off.
(s) This is spoken by the figure of speech metonymy, taking the spirit for the gift of the spirit; as you would say, the cause of that which comes from the cause.
(t) By the figure of speech synecdoche he shows that he will take away all types of enmities which used to breed great troubles and turmoils among men.
(u) Wisdom and goodness are two of the main causes which make men revere and honour their fathers.