Therefore you shall keep the commandments of the LORD your God, walking in His ways and fearing Him.
The charge here given them is the same as before, to keep and do all God's commandments. Their obedience must be, 1. Careful: Observe to do. 2. Universal: To do all the commandments, Deu 8:1. And, 3. From a good principle, with a regard to God as the Lord, and their God, and particularly with a holy fear of him (Deu 8:6), from a reverence...
Commenting on Deuteronomy 8:1-9
For the Lord thy God bringeth thee into a good land,.... The land of Canaan, abounding with good things after enumerated, a land flowing with milk and honey, having in it plenty of everything both for convenience and delight; which is another reason why they were under obligations to serve the Lord, to walk in his ways and keep his commandments: a land of brooks...
Deu 8:6 The design of this education was to train them to keep His commandments, that they might walk in His ways and fear Him (Deu 6:24).