Exodus 13:9-11

New Revised Standard Version, Anglicised Catholic Edition

⁹ It shall serve for you as a sign on your hand and as a reminder on your forehead, so that the teaching of the Lord may be on your lips; for with a strong hand the Lord brought you out of Egypt. ¹⁰ You shall keep this ordinance at its proper time from year to year.

The Consecration of the Firstborn

¹¹ ‘When the Lord has brought you into the land of the Canaanites, as he swore to you and your ancestors, and has given it to you,