Ephesians 6:5
"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;"Ephesians 6:5 (KJV)
Context from Ephesians 6
3
That it may be well with thee, and thou mayest live long on the earth.
4
And, ye fathers, provoke not your children to wrath: but bring them up in the nurture and admonition of the Lord.
5
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;
6
Not with eyeservice, as menpleasers; but as the servants of Christ, doing the will of God from the heart;
7
With good will doing service, as to the Lord, and not to men: