Devarim 7:9

9 Know therefore that Hashem Eloheicha, He is HaElohim, the El HaNe’eman, which is shomer HaBrit and hath chesed with them that love Him and are shomer mitzvot to a thousand generations;

Devarim 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.

Devarim 7:9 In-Context

7 Hashem did not set His love upon you, nor choose you, because ye were more in number than any people; for ye were the fewest of kol ha’ammim;

8 But because of Ahavat Hashem (because Hashem loved you), and because He would be shomer over haShevuah (the Oath) which He had sworn unto Avoteichem, hath Hashem brought you out with a yad chazakah, and redeemed you out of the bais avadim, from the hand of Pharaoh Melech Mitzrayim.

9 Know therefore that Hashem Eloheicha, He is HaElohim, the El HaNe’eman, which is shomer HaBrit and hath chesed with them that love Him and are shomer mitzvot to a thousand generations;

10 And repayeth them that are the soneh (hater, enemy) of Him to their face, to destroy them; He will not be slack to him that hateth Him, He will repay him to his face.

11 Thou shalt therefore be shomer mitzvot, and keep the chukkim, and the mishpatim, which I command thee today, to do them.