Deuteronomy 7:12

12 And it shall come to pass when ye shall have heard these ordinances, and shall have kept and done them, that the Lord thy God shall keep for thee the covenant and the mercy, which he sware to your fathers.

Deuteronomy 7:12 Meaning and Commentary

Deuteronomy 7:12

Wherefore it shall come to pass, if ye hearken to these
judgments, and keep and do them
Attentively listen to the declaration made of them, and be careful to observe them:

that the Lord thy God shall keep unto thee the covenant and the mercy
which he sware unto thy fathers;
to bring them into the land of Canaan, and continue them in it; yea, to send the Messiah to them, and bring him the salvation of Israel out of Zion; see ( Luke 1:68-73 ) .

Deuteronomy 7:12 In-Context

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.
12 And it shall come to pass when ye shall have heard these ordinances, and shall have kept and done them, that the Lord thy God shall keep for thee the covenant and the mercy, which he sware to your fathers.
13 And he will love thee, and bless thee, and multiply thee; and he will bless the off-spring of thy body, and the fruit of thy land, thy corn, and thy wine, and thine oil, the herds of thine oxen, and the flocks of thy sheep, on the land which the Lord sware to thy fathers to give to thee.
14 Thou shalt be blessed beyond all nations; there shall not be among you an impotent or barren one, or among thy cattle.

The Brenton translation of the Septuagint is in the public domain.