shall wander in the wilderness: or, feed, This implies, that they should move from place to place in the deserts, as the Bedounin Arabs, who have no certain dwelling, but rove about seeking pasture for their flocks. Numbers 32:13; Joshua 14:10; Psalms 107:4, Psalms 107:40
forty years: Numbers 33:38; Deuteronomy 1:3, Deuteronomy 2:14