Matthew Henry on Deuteronomy 6:17–end
Here, I. Moses charges them to keep God's commandments themselves: You shall diligently keep God's commandments, Deu 6:17-19. Note, It requires a great deal of care and pains to keep up religion in the power of it in our hearts and lives. Negligence will ruin us; but we cannot be saved without diligence. To induce them to this, he here shows them, 1. That this would be very acceptable to God: it is right and good in the sight of the Lord; and that is right and good indeed that is, so in God's sight. If we have any regard to the favour of our Creator as our felicity, and the law of our creation as our rule, we shall be religious. 2. That it would be very advantageous and profitable to themsel…
Read the whole note in the consoleJohn Gill on Deuteronomy 6:17
You shall diligently keep the commandments of the Lord your God,.... Not only the ten commands, but all others:
and his testimonies, and his statutes, which he hath commanded thee; those of a judicial and ceremonial kind.
John Calvin on Deuteronomy 6:14-19
Deuteronomy 6:14, 15
14. Ye shall not go after other gods, of the gods of the people which are round about you;
14. Non ambulabitis post deos alienos e diis populorum qui undique circum vos sunt:
15. (For the Lord thy God is a jealous God among you;) lest the anger of the Lord thy God be kindled against thee, and destroy thee from off the face of the earth.
15. Quoniam Deus zelotes Jehova Deus tuus in medio tui est: ne forte irascatur furor Jehovae Dei tui in to, et disperdat te e superficie terrae.
14. Ye shall not go after. In this passage Moses commands the people not to turn away from the simple service of God, although examples of superstition may present themselves to their sight…
Read the whole note in the consoleKeil & Delitzsch on Deuteronomy 6:17-19
They were rather to observe all His commandments diligently, and do what was right and good in His eyes. The infinitive וגו להדף contains the further development of וגו ייטב למען: "so that He (Jehovah) thrust out all thine enemies before thee, as He hath spoken" (viz., Exo 23:27., Deu 34:11).