Ephesians 6:5-8

Servants, be obedient to your masters after the flesh, with fear and trembling, in simplicity of your heart as unto Christ;

Colossians 3:22-25

Servants, obey in all things your masters after the flesh, not with eye-service as men-pleasers, but, in simplicity of heart, fearing God.

Titus 2:9-10

Let servants be subject to their own masters, in all things to be agreeable to them; not contradicting;

1 Peter 2:18

Servants, be in subjection to your masters with all fear, not only to the good and gentle, but even to the froward.

Treasury of Scripture Knowledge

Summary

And ye know that with all my power I have served your father.

Bible References

General references

Ephesians 6:5
Servants, be obedient to your masters after the flesh, with fear and trembling, in simplicity of your heart as unto Christ;
Colossians 3:22
Servants, obey in all things your masters after the flesh, not with eye-service as men-pleasers, but, in simplicity of heart, fearing God.
Titus 2:9
Let servants be subject to their own masters, in all things to be agreeable to them; not contradicting;
1 Peter 2:18
Servants, be in subjection to your masters with all fear, not only to the good and gentle, but even to the froward.