Deuteronomy 7:9

9 Thou shalt know therefore, that the Lord thy God, he God, a faithful God, who keeps covenant and mercy for them that love him, and for those that keep his commandments to a thousand generations,

Deuteronomy 7:9 Meaning and Commentary

Ver. 9 Know therefore that the Lord thy God, he is God
The only true and living God, and not the idols of the Gentiles, who are false and lifeless ones, and therefore not the proper objects of adoration:

the faithful God, which keepeth covenant and mercy;
as appeared by fulfilling the promise made to their fathers, in bringing them out of Egypt, and now them to the borders of the land of Canaan given them for an inheritance:

with them that love him, and keep his commandments, to a thousand
generations;
see ( Exodus 20:6 ) which are not the causes or conditions of his covenant and mercy, nor of his keeping them, but descriptive of the persons that enjoy the benefit thereof.

Deuteronomy 7:9 In-Context

7 It was not because ye are more numerous than all nations that the Lord preferred you, and the Lord made choice of you: for ye are fewer in number than all nations.

8 But because the Lord loved you, and as keeping the oath which he sware to your fathers, the Lord brought you out with a strong hand, and the Lord redeemed thee from the house of bondage, out of the hand of Pharao king of Egypt.

9 Thou shalt know therefore, that the Lord thy God, he God, a faithful God, who keeps covenant and mercy for them that love him, and for those that keep his commandments to a thousand generations,

10 and who recompenses them that hate him to their face, to destroy them utterly; and will not be slack with them that hate him: he will recompense them to their face.

11 Thou shalt keep therefore the commands, and the ordinances, and these judgments, which I command thee this day to do.