When Amalek attacked the Israelites at Rephidim—the first nation to wage war against the newly freed slaves—Moses turned to his student Joshua with a command (Exodus 17:9): "Choose men for us and go out and do battle with Amalek." Rabbi Yehoshua (who shared the biblical Joshua's name) explained what Moses really meant by "go out."
The Israelites in the wilderness were surrounded by the clouds of glory—the miraculous divine canopy that sheltered them on all sides. Inside those clouds, they were untouchable. No arrow could reach them, no sword could find them. The clouds were not just weather phenomena; they were a supernatural shield provided by God Himself. To "go out" meant to leave that protection.
Moses was telling Joshua: step outside the cloud. Leave the safety of God's miraculous barrier and face Amalek on the open field, soldier against soldier, sword against sword. This was not because God had abandoned Israel—Moses himself would stand on the hilltop with the staff of God raised in his hands. But the battle against Amalek required human courage alongside divine support. Joshua had to be willing to leave the shelter and fight.
The teaching reveals something profound about the rabbinic understanding of warfare and faith. The clouds of glory protected Israel from the elements and from casual threats. But when a nation rose in deliberate war against God's people, the response required more than passive shelter. It required a warrior willing to step beyond the miraculous boundary and engage the enemy directly. Joshua's willingness to leave the cloud—to risk his life in open combat with Amalek—was itself an act of faith as powerful as any miracle.