24 And you shall observe this thing for a law to you and to your sons forever.
Exodus 12:24 Cross References - MKJV
Genesis 17:8-10
8 And I will give the land to you in which you are a stranger, and to your seed after you, all the land of Canaan, for an everlasting possession. And I will be their God.
9 And God said to Abraham, And you shall keep My covenant, you and your seed after you in their generations.
10 This is My covenant, which you shall keep, between Me and you and your seed after you. Every male child among you shall be circumcised.
Exodus 12:14
14 And this day shall be a memorial to you. And you shall keep it as a feast to Jehovah throughout your generations. You shall keep it as a feast by a law forever.