Deuteronomy 11:18

18 “So commit yourselves wholeheartedly to these words of mine. Tie them to your hands and wear them on your forehead as reminders.

Deuteronomy 11:18 Meaning and Commentary

Ver. 18-20. Therefore shall ye lay up these my words in your heart, and
in your soul
Treasure up the laws of God delivered to them in their minds, retain them in their memories, and cherish a cordial affection for them; which would be an antidote against apostasy, idolatry, and other sins, ( Psalms 119:11 )

and bind them for a sign upon your hand, that they may be as frontlets
between your eyes;
of this and the two following verses, (See Gill on Deuteronomy 6:7), (See Gill on Deuteronomy 6:8), (See Gill on Deuteronomy 6:9).

Deuteronomy 11:18 In-Context

16 “But be careful. Don’t let your heart be deceived so that you turn away from the LORD and serve and worship other gods.
17 If you do, the LORD ’s anger will burn against you. He will shut up the sky and hold back the rain, and the ground will fail to produce its harvests. Then you will quickly die in that good land the LORD is giving you.
18 “So commit yourselves wholeheartedly to these words of mine. Tie them to your hands and wear them on your forehead as reminders.
19 Teach them to your children. Talk about them when you are at home and when you are on the road, when you are going to bed and when you are getting up.
20 Write them on the doorposts of your house and on your gates,
Holy Bible. New Living Translation copyright© 1996, 2004, 2007, 2013 by Tyndale House Foundation. Used by permission of Tyndale House Publishers Inc., Carol Stream, Illinois 60188. All rights reserved.