Romans 6:17-18

But thanks be to God that, though ye were slaves of sin, ye did, however, obey from the heart that form of teaching unto which ye were delivered;

Ephesians 2:11-12

Wherefore, remember that ye, the gentiles in flesh, who are called uncircumcision by that which is called circumcision in flesh made 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 slaves of sin, ye did, however, obey from the heart that form of teaching unto which ye were delivered;
Ephesians 2:11
Wherefore, remember that ye, the gentiles in flesh, who are called uncircumcision by that which is called circumcision in flesh made by hand,