When you eat and are satisfied, you are to bless the LORD your God for the good land that He has given you.
10. When thou hast eaten and art full. In these words he admonishes them that they would be too senseless, unless God’s great bounty should attract them to obedience, since nothing is more unreasonable, than, when we have eaten and are full, not to acknowledge from whence our food has come.
Moses, having mentioned the great plenty they would find in the land of Canaan, finds it necessary to caution them against the abuse of that plenty, which was a sin they would be the more prone to new that they came into the vineyard of the Lord, immediately out of a barren desert. I. He directs them to the duty of a prosperous condition, Deu 8:10.
Commenting on Deuteronomy 8:10-20
Beware that thou forget not the Lord thy God,.... The Father of mercies and fountain of goodness, the author and donor of every good and perfect gift. Plenty is apt to induce a forgetfulness of God, when on the contrary one would think it should keep him in continual remembrance, and engage to daily thankfulness to him: in not keeping his commandments, and his judgments...