Deuteronomy 6:8

8 Write them down and tie them to your hands as a sign. Tie them on your forehead to remind you,

Deuteronomy 6:8 Meaning and Commentary

Deuteronomy 6:8

And thou shalt bind them for a sign upon thine hand
As a man ties anything to his hand for a token, that he may remember somewhat he is desirous of; though the Jews understand this literally, of binding a scroll of parchment, with this section and others written in it, upon their left hand, as the Targum of Jonathan here interprets the hand:

and they shall be as frontlets between thine eyes;
and which the same Targum interprets of the Tephilim, or phylacteries, which the Jews wear upon their foreheads, and on their arms, and so Jarchi; of which (See Gill on Matthew 23:5).

Deuteronomy 6:8 In-Context

6 Always remember these commands I give you today.

7 Teach them to your children, and talk about them when you sit at home and walk along the road, when you lie down and when you get up.

8 Write them down and tie them to your hands as a sign. Tie them on your forehead to remind you,

9 and write them on your doors and gates.

10 The Lord your God will bring you into the land he promised to your ancestors, to Abraham, Isaac, and Jacob, and he will give it to you. The land has large, growing cities you did not build,