The Lord continues to expound on the blessed state of the redeemed of Israel. When they return to the Lord, the Lord will be their guide, and all will be well. In this verse he specifically covers hunger and thirst as the significant human needs. Of course, they refer to spiritual hunger and thirst, but do so through a poignant example. For the Lehites, it was powerfully present as a symbol, as they had suffered both hunger and thirst as they crossed the desert. They would have felt a particular affinity to this symbol for the Lord's care.