Deuteronomy 6:6-10

These words, which I am commanding you today, shall be on your heart.

And you shall repeat them diligently to your sons and speak of them when you sit in your house, when you walk on the road, when you lie down, and when you get up.

You shall also tie them as a sign to your hand, and they shall be as frontlets on your forehead.

You shall also write them on the doorposts of your house and on your gates.

“Then it shall come about when the Lord your God brings you into the land that He swore to your fathers, to Abraham, Isaac, and Jacob, to give you, great and splendid cities which you did not build,