Reference for Exodus 12:24

וּשְׁמַרְתֶּ֖ם אֶת־הַדָּבָ֣ר הַזֶּ֑ה לְחָק־לְךָ֥ וּלְבָנֶ֖יךָ עַד־עוֹלָֽם׃

And ye shall observe this thing for an ordinance to thee and to thy sons for ever.

BDB

BDB