Exodus 12:24

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

Exodus 12:14

And this day shall be unto you for a memorial; and ye shall celebrate it as a feast to Jehovah; throughout your generations as an ordinance for ever shall ye celebrate it.

Genesis 17:8-10

And I 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 a God to them.

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