Romans 6:20

When you were slaves of sin, you were free in regard to righteousness [you had no desire to conform to God’s will].

Romans 6:16-17

Do you not know that when you continually offer yourselves to someone to do his will, you are the slaves of the one whom you obey, either [slaves] of sin, which leads to death, or of obedience, which leads to righteousness (right standing with God)?

John 8:34

Jesus answered, “I assure you and most solemnly say to you, everyone who practices sin habitually is a slave of sin.

Treasury of Scripture Knowledge

Summary

For when ye were the servants of sin, ye were free from righteousness.

The servants

General references

Bible References

The servants

Romans 6:16
Do you not know that when you continually offer yourselves to someone to do his will, you are the slaves of the one whom you obey, either [slaves] of sin, which leads to death, or of obedience, which leads to righteousness (right standing with God)?
John 8:34
Jesus answered, “I assure you and most solemnly say to you, everyone who practices sin habitually is a slave of sin.

General references

Colossians 3:7
and in these [sinful things] you also once walked, when you were habitually living in them [without the knowledge of Christ].