Romans 6:17-18

But, thank God! though you were once slaves of sin, you have become obedient from your hearts to the standard of teaching that you received,

Ephesians 2:11-12

So remember that you were once physically heathen, and called uncircumcised by those who called themselves circumcised, though only physically, by human hands.

Treasury of Scripture Knowledge

Summary

Then thou shalt say unto thy son, We were Pharaoh's bondmen in Egypt; and the LORD brought us out of Egypt with a mighty hand:

Bible References

We were

Romans 6:17
But, thank God! though you were once slaves of sin, you have become obedient from your hearts to the standard of teaching that you received,
Ephesians 2:11
So remember that you were once physically heathen, and called uncircumcised by those who called themselves circumcised, though only physically, by human hands.