Adam Clarke's Commentary on the Bible - Deuteronomy 6:1
Now these are the commandments, etc. - See the difference between commandments, statutes, judgments, etc., pointed out, Leviticus 26:15 ; (note). Do them - That is, live in the continual practice of them; for by this they were to be distinguished from all the nations of the world, and all these were to be in force till the Son of God should come. Whither ye go. עברים oberim , whither ye pass over, referring to the river Jordan, across which they must pass to get into Canaan. read more
John Gills Exposition of the Bible Commentary - Deuteronomy 6:9
And thou shalt write them upon the posts of thine house, and on thy gates. To put them in mind of them when they went out and came in, that they might be careful to observe them; this the Jews take literally also, and write in a scroll of parchment this section with some passages; and, as the Targum of Jonathan here, fix them in three places, over against the bed chamber, upon the posts of the house, and on the gate at the right hand of it; and this is what they call the Mezuzah; and the... read more