Deuteronomy 8:10

“When thou hast eaten and art full, then thou shalt bless the Lord thy God, etc.] For as the Lord would furnish them with plenty of food, they might eat of it liberally, provided they did not indulge to intemperance, as everyone may whom God has blessed with a fulness of good things; and this shows that we are to return thanks to God for a plentiful meal, as well as to ask a blessing on it: for the good land which he hath given thee; which supplied them with such plenty, that they enjoyed full meals every day.”

“Bless the Lord - Solemnly praise him for thy food; which is a debt both of gratitude and justice, because it is from his providence and favour that thou receivest both thy food and refreshment and strength by it. The more unworthy and absurd is that too common profaneness of them, who, professing to believe a God, from whom all their comforts come, grudge to own him at their meals, either by desiring his blessing before them, or by offering due praise to God after them. Deuteronomy 8:14”

“thou hast: Deu 6:11, Deu 6:12; Psa 103:2; Mat 14:19; Joh 6:23; Rom 14:6; Co1 10:31; Th1 5:18; Ti1 4:4, Ti1 4:5 then thou: Ch1 29:14; Psa 103:2; Pro 3:9 Deuteronomy 8:11”

“But if the Israelites were to eat there and be satisfied, i.e., to live in the midst of plenty, they were to beware of forgetting their God; that when their prosperity - their possessions, in the form of lofty houses, cattle, gold and silver, and other good things - increased, their heart might not be lifted up, i.e., they might not become proud, and, forgetting their deliverance from Egypt and their miraculous preservation and guidance in the desert, ascribe the property they had acquired to their own strength and the work of their own hands. To keep the people from this danger of forgetting God, which follows so easily from the pride of wealth, Moses once more enumerates in Deu 8:14-16 the…”