Deuteronomy 11:8

8 Therefore shall you keep all the mitzvah which I command you this day, that you may be strong, and go in and possess the land, where you go over to possess it;

Deuteronomy 11:8 Meaning and Commentary

Deuteronomy 11:8

Therefore shall you keep all the commandments which I command
you this day
For the reasons before suggested, as well as for what follow:

that ye may be strong;
healthful in body, and courageous in mind, for sin tends to weaken both; whereas observance of the commands of God contributes to the health and strength of the body, and the rigour of the mind; both which were necessary to the present expedition they were going upon:

and go in and possess the land whither ye go to possess it;
the land of Canaan, they were marching towards in order to possess it; and nothing would more inspire them with courage, and cause them to enter it manfully without fear of their enemies, than obedience to the commands of God; whose presence being promised them on that account, they might expect it, and so had nothing to fear from the inhabitants of the land.

Deuteronomy 11:8 In-Context

6 and what he did to Datan and Aviram, the sons of Eli'av, the son of Re'uven; how the eretz opened its mouth, and swallowed them up, and their households, and their tents, and every living thing that followed them, in the midst of all Yisra'el:

7 but your eyes have seen all the great work of the LORD which he did.

8 Therefore shall you keep all the mitzvah which I command you this day, that you may be strong, and go in and possess the land, where you go over to possess it;

9 and that you may prolong your days in the land, which the LORD swore to your fathers to give to them and to their seed, a land flowing with milk and honey.

10 For the land, where you go in to possess it, isn't as the land of Mitzrayim, from whence you came out, where you sowed your seed, and watered it with your foot, as a garden of herbs;