Deuteronomy 11:18-20

“Therefore you are to set these words of Mine in your heart and in your soul. You are to bind them as a sign on your hand, and as frontlets between your eyes. You are to teach them to your children, speaking of them when you sit in your house, when you walk by the way, when you lie down and when you rise up. You are to write them on the doorposts of your house and on your gates