Exodus 13:9
9 And it shall zbe to you as a sign on your hand and as aa memorial zbetween 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.
Deuteronomy 6:8
8 hYou shall bind them as a sign on your hand, and they shall be as frontlets between your eyes.
Deuteronomy 11:18
18 e“You shall therefore lay up these words of mine in your heart and in your soul, and fyou shall bind them as a sign on your hand, and they shall be as frontlets between your eyes.