Deuteronomy 6:21
“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:”
To cast out all thine enemies from before thee, as the Lord hath spoken.
And when thy son asketh thee in time to come, saying, What mean the testimonies, and the statutes, and the judgments, which the Lord our God hath commanded you?
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:
And the Lord shewed signs and wonders, great and sore, upon Egypt, upon Pharaoh, and upon all his household, before our eyes:
And he brought us out from thence, that he might bring us in, to give us the land which he sware unto our fathers.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Or hath God assayed to go and take him a nation from the midst of another nation, by temptations, by signs, and by wonders, and by war, and by a mighty hand, and by a stretched out arm, and by great terrors, according to all that the Lord your God did for you in Egypt before your eyes?”
“And Moses said unto the people, Remember this day, in which ye came out from Egypt, out of the house of bondage; for by strength of hand the Lord brought you out from this place: there shall no leavened bread be eaten.”
“And I am sure that the king of Egypt will not let you go, no, not by a mighty hand.”
“To him that smote Egypt in their firstborn: for his mercy endureth for ever:”
“And thou shalt remember that thou wast a bondman in the land of Egypt, and the Lord thy God redeemed thee: therefore I command thee this thing to day.”