Devarim 11:18

18 Therefore shall ye lay up these My devarim in your lev and in your nefesh, and bind them for an ot upon your hand, that they may be as totafos (ornaments, Shemot 13:16, Shabbos 57a) between your eyes.

Devarim 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).

Devarim 11:18 In-Context

16 Take heed to yourselves, that your lev be not deceived, and ye turn aside, and serve elohim acherim, and worship them;

17 And then Hashem’s wrath be kindled against you, and He shut up the Shomayim, that there be no matar, and that ha’aretz yield not her fruit; and lest ye perish meherah (quickly) from off ha’aretz hatovah which Hashem giveth you.

18 Therefore shall ye lay up these My devarim in your lev and in your nefesh, and bind them for an ot upon your hand, that they may be as totafos (ornaments, Shemot 13:16, Shabbos 57a) between your eyes.

19 And ye shall teach them your banim, speaking of them when thou sittest in thine bais, and when thou walkest by the way, when thou liest down, and when thou risest up.

20 And thou shalt write them upon the mezuzot of thine bais, and upon thy she’arim;