Deuteronomy 10:20

10:20 Revere the Lord your God, serve him, be loyal to him and take oaths only in his name.

Joshua 23:8

23:8 But you must be loyal to the Lord your God, as you have been to this very day.

Acts 11:23

11:23 When he came and saw the grace of God, he rejoiced and encouraged them all to remain true to the Lord with devoted hearts,