Ephesians 6:5 in the King James Version
Servants, be obedient to them that are your masters according to the flesh, with fear and trembling, in singleness of your heart, as unto Christ;
Context
4 You fathers, don’t provoke your children to wrath, but nurture them in the discipline and instruction of the Lord.
5 Servants, be obedient to those who according to the flesh are your masters, with fear and trembling, in singleness of your heart, as to Christ,
6 not in the way of service only when eyes are on you, as men pleasers, but as servants of Christ, doing the will of God from the heart,