then you shall say to your son: "We were slaves of Pharaoh in Egypt, and the LORD brought us out of Egypt with a mighty hand;
Deuteronomy 6:21
Surrounding context
6:20 "When your son asks you in time to come, saying, "What is the meaning of the testimonies, the statutes, and the judgments which the LORD our God has commanded you?'
6:21 then you shall say to your son: "We were slaves of Pharaoh in Egypt, and the LORD brought us out of Egypt with a mighty hand;
6:22 and the LORD showed signs and wonders before our eyes, great and severe, against Egypt, Pharaoh, and all his household.