What does Deuteronomy 8:5 mean?

You shall remember all the way which Yahweh your God has led you these forty years in the wilderness, that he might humble you, to prove you, to know what was in your heart, whether you would keep his commandments, or not.

He humbled you, and allowed you to be hungry, and fed you with manna, which you didn’t know, neither did your fathers know; that he might teach you that man does not live by bread only, but man lives by every word that proceeds out of Yahweh’s mouth.

Your clothing didn’t grow old on you, neither did your foot swell, these forty years.

You shall keep the commandments of Yahweh your God, to walk in his ways, and to fear him.

For Yahweh your God brings you into a good land, a land of brooks of water, of springs, and underground water flowing into valleys and hills;

a land of wheat and barley, and vines and fig trees and pomegranates; a land of olive trees and honey;