Exodus 12:26
“And it shall come to pass, when your children shall say unto you, What mean ye by this service?”
And ye shall observe this thing for an ordinance to thee and to thy sons for ever.
And it shall come to pass, when ye be come to the land which the Lord will give you, according as he hath promised, that ye shall keep this service.
And it shall come to pass, when your children shall say unto you, What mean ye by this service?
That ye shall say, It is the sacrifice of the Lord’s passover, who passed over the houses of the children of Israel in Egypt, when he smote the Egyptians, and delivered our houses. And the people bowed the head and worshipped.
And the children of Israel went away, and did as the Lord had commanded Moses and Aaron, so did they.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“And it shall be when thy son asketh thee in time to come, saying, What is this? that thou shalt say unto him, By strength of hand the Lord brought us out from Egypt, from the house of bondage:”
“And it shall come to pass, when ye be come to the land which the Lord will give you, according as he hath promised, that ye shall keep this service.”
“And thou shalt shew thy son in that day, saying, This is done because of that which the Lord did unto me when I came forth out of Egypt.”
“It is a night to be much observed unto the Lord for bringing them out from the land of Egypt: this is that night of the Lord to be observed of all the children of Israel in their generations.”
“And that thou mayest tell in the ears of thy son, and of thy son’s son, what things I have wrought in Egypt, and my signs which I have done among them; that ye may know how that I am the Lord.”