Luke 1:16-18

Young's Literal Translation

¹⁶ and many of the sons of Israel he shall turn to the Lord their God,

¹⁷ and he shall go before Him, in the spirit and power of Elijah, to turn hearts of fathers unto children, and disobedient ones to the wisdom of righteous ones, to make ready for the Lord, a people prepared.'

¹⁸ And Zacharias said unto the messenger, `Whereby shall I know this? for I am aged, and my wife is advanced in her days?'