Exodus 12:24
And ye shall observe this thing for an ordinance to you and to your sons for ever.
ā The Restored Word Bible
Context
22 And ye shall take a bunch of hyssop, and dip in the blood that in the bason, and strike the lintel and the two side posts with the blood that in the bason; and none of you shall go out at the door of his house until the morning.
23 For the Yahuah will pass through to smite the Egyptians; and when he seeth the blood upon the lintel, and on the two side posts, the Yahuah will pass over the door, and will not suffer the destroyer to come in unto your houses to smite .
24 And ye shall observe this thing for an ordinance to you and to your sons for ever.
25 And it shall come to pass, when ye be come to the land which the Yahuah will give you, according as he has promised, that ye shall keep this service.
26 And it shall come to pass, when your children shall say unto you, What mean ye by this service?