Exodus 13:7-9

Revised Standard Version

⁷ Unleavened bread shall be eaten for seven days; no leavened bread shall be seen with you, and no leaven shall be seen with you in all your territory. ⁸ And you shall tell your son on that day, ‘It is because of what the Lord did for me when I came out of Egypt.’ ⁹ And it shall be to you as a sign on your hand and as a memorial between 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.