Romans 6:20

Revised Standard Version (RSV-CI)

When you were slaves of sin, you were free in regard to righteousness.

Cross References

John 8:34

Jesus answered them, “Truly, truly, I say to you, every one who commits sin is a slave to sin.

Matthew 6:24

“No one can serve two masters; for either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve God and mammon.