Ephesians 6:5-8

Servants, be subject to your masters according to the flesh, with fear and trembling, in the simplicity of your heart, as to the Christ;

Colossians 3:22-25

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

Titus 2:9-10

Exhort servants to be subject to their own masters, and to please them well in all things, not contradicting,

1 Peter 2:18

Servants, be subject to your masters with all respect; not only to the good and gentle, but also to the perverse.

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 subject to your masters according to the flesh, with fear and trembling, in the simplicity of your heart, as to the Christ;
Colossians 3:22
Servants, obey in all things your masters according to the flesh, not with eye-service, as pleasing men, but with simplicity of heart, fearing God.
Titus 2:9
Exhort servants to be subject to their own masters, and to please them well in all things, not contradicting,
1 Peter 2:18
Servants, be subject to your masters with all respect; not only to the good and gentle, but also to the perverse.