Numbers 32:13
And the Lords anger was kindled against Israel, and hee made them wander in the wildernesse fourty yeeres, vntill all the generation that had done euill in the sight of the Lord was consumed. Numbers 32:13 (KJV)
The book of Numbers is the fourth book of the Bible and it recounts the events that took place during the Israelites’ journey from Mount Sinai to the outskirts of the Promised Land. This passage is drawn from Numbers 14, where the Israelites react to the negative report of the spies and refuse to enter Canaan, prompting God to decree a forty‑year wandering period.
In this verse we see that the Lord’s anger was kindled against Israel. This anger was a result of the Israelites’ repeated disobedience, lack of faith, and grumbling against God and His appointed leaders. The incident of the spies, where ten of twelve scouts brought back a negative report about Canaan, led to widespread rebellion among the people, and earlier chapters of Numbers recount several other instances of such rebellion.
As a consequence of their disobedience and lack of faith, God made the Israelites wander in the wilderness for forty years. This punishment was a direct result of their refusal to trust in God’s promises and their rebellion against His commandments. The entire generation of Israelites who had participated in the evil deeds and demonstrated unbelief would not enter the Promised Land; instead they would wander until that generation had died off.
Despite the Israelites’ disobedience, we also see God’s faithfulness in this verse. Although He punished the Israelites for their unfaithfulness, God did not completely abandon them. He provided for their needs during the wilderness journey, protected them from their enemies, and continued to guide them toward the Promised Land. The forty years in the wilderness served as a time of refining and discipline for the rebellious generation and a means to raise up a new generation that would be faithful and obedient to God.

