Exodus 12:24

You must observe this event as an ordinance for you and for your children forever.

Exodus 12:14

This day will become a memorial for you, and you will celebrate it as a festival to the Lord -- you will celebrate it perpetually as a lasting ordinance.

Genesis 17:8-10

I will give the whole land of Canaan -- the land where you are now residing -- to you and your descendants after you as a permanent possession. I will be their God."

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