Romans 6:17-18

But thanks be to God that, though ye were the bondmen of sin, ye became obedient from the heart to that form of teaching which was delivered to you;

Ephesians 2:11-12

Wherefore remember, that in time past ye, the gentiles in the flesh, who are called uncircumcised by those who are called circumcised, having the circumcision of the flesh, performed by hand,

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 thanks be to God that, though ye were the bondmen of sin, ye became obedient from the heart to that form of teaching which was delivered to you;
Ephesians 2:11
Wherefore remember, that in time past ye, the gentiles in the flesh, who are called uncircumcised by those who are called circumcised, having the circumcision of the flesh, performed by hand,