Exodus 13:8-10 NIV

8 On that day tell your son,1 'I do this because of what the LORD did for me when I came out of Egypt.'

References for Exodus 13:8

9 This observance will be for you like a sign on your hand2 and a reminder on your forehead3 that the law of the LORD is to be on your lips. For the LORD brought you out of Egypt with his mighty hand.4

References for Exodus 13:9

10 You must keep this ordinance5 at the appointed time6 year after year.

References for Exodus 13:10