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).
16
Beware lest perhaps your heart be deceived, and you depart from the Lord, and serve strange gods, and adore them:
17
And the Lord being angry shut up heaven, that the rain come not down, nor the earth yield her fruit, and you perish quickly from the excellent land, which the Lord will give you.
18
Lay up these words in your hearts and minds, and hang them for a sign on your hands, and place them between your eyes.
19
Teach your children that they meditate on them, when thou sittest in thy house, and when thou walkest on the way, and when thou liest down and risest up.
20
Thou shalt write them upon the posts and the doors of thy house: