Luke 1:17-19

Young's Literal Translation

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?'

¹⁹ And the messenger answering said to him, `I am Gabriel, who have been standing near before God, and I was sent to speak unto thee, and to proclaim these good news to thee,