Romans 6:22

but now that you are set free from sin, now that you have passed into the service of God, your gain is consecration, and the end of that is life eternal.

1 Corinthians 7:21-23

You were a slave when you were called? Never mind. Of course, if you do find it possible to get free, you had better avail yourself of the opportunity.

Treasury of Scripture Knowledge

Summary

For they are my servants, which I brought forth out of the land of Egypt: they shall not be sold as bondmen.

Bible References

My servants

Romans 6:22
but now that you are set free from sin, now that you have passed into the service of God, your gain is consecration, and the end of that is life eternal.
1 Corinthians 7:21
You were a slave when you were called? Never mind. Of course, if you do find it possible to get free, you had better avail yourself of the opportunity.