and when your herds and flocks multiply and your silver and gold is multiplied and all that you have is multiplied,
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
Then thine heart be lifted up,.... As the heart is apt to be when riches increase; hence the advice in Ti1 6:17. and thou forget the Lord thy God; from whom all good things come, and who can take them away when he pleases, and therefore should be ever kept in mind, for ever looked to and trusted in for the continuance of them; yet...
Deu 8:10-18 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...
Commenting on Deuteronomy 8:10-18