Exodus 12:24

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

Exodus 12:14

And this day shall be to you for a memorial, and ye shall keep it a feast to LORD; throughout your generations ye shall keep it a feast by an ordinance forever.

Genesis 17:8-10

And I will give to thee, and to thy seed after thee, the land of thy sojourning, all the land of Canaan for an everlasting possession, and I will be their God.

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