John Gills Exposition of the Bible Commentary - Joshua 14:7
Forty years old was I when Moses the servant of the Lord sent me from Kadeshbarnea to espy out the land ,.... Not he alone, but eleven more with him, one out of every tribe; his age he mentions, and of which, or near it, it is highly probable the rest of the spies were, to show that he and they were in the prime of their days, both as to bodily strength and intellectual capacity, which were requisite for such service as to spy out the land, of what quality that and its inhabitants were;... read more
Matthew Henry's Complete Commentary - Joshua 14:6-15
Before the lot was cast into the lap for the determining of the portions of the respective tribes, the particular portion of Caleb was assigned to him. He was now, except Joshua, not only the oldest man in all Israel, but was twenty years older than any of them, for all that were above twenty years old when he was forty were dead in the wilderness; it was fit therefore that this phoenix of his age should have some particular marks of honour put upon him in the dividing of the land. Now, I.... read more