Exodus 13:8-10

8 aYou shall tell your son on that day, ‘It is because of what the Lord did for me when I came out of Egypt.’ 9And it shall bbe to you as a sign on your hand and as ca memorial dbetween your eyes, that the law of the Lord may be in your mouth. For with a strong hand the Lord has brought you out of Egypt. 10 eYou shall therefore keep this statute at its appointed time from year to year.

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