Luke 1:17

17and ahe will go before him bin the spirit and power of Elijah, cto turn the hearts of the fathers to the children, and dthe disobedient to the wisdom of the just, eto make ready for the Lord a people prepared.”

Acts 18:25

25He had been instructed in fthe way of the Lord. And gbeing fervent in spirit,
Or  in the Spirit
he spoke and taught accurately the things concerning Jesus, though he knew only ithe baptism of John.

Romans 12:11

11Do not be slothful in zeal, jbe fervent in spirit,
Or  fervent in the Spirit
lserve the Lord.
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