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.

Cross-References
“And thou shalt teach them diligently unto thy children, and shalt talk of them when thou sittest in thine house, and when thou walkest by the way, and when thou liest down, and when thou risest up.”
“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:”
“One generation shall praise thy works to another, and shall declare thy mighty acts.”
“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.”
“That this may be a sign among you, that when your children ask their fathers in time to come, saying, What mean ye by these stones?”