Fresh off the heels of yet another rebellion—this time, one that challenged Moses and Aaron’s authority—God decides to create a test that will prove, beyond a shadow of a doubt, who is in charge of the priesthood.
The test is simple. Take a rod from every tribe in Israel and write the name of the head of that tribe on each rod. Place them inside the Tent of Meeting in front of the Ark of the Covenant. When you arrive the next morning, one of the rods will have sprouted. The rod that sprouts is the name of the tribe God has chosen.
This appears odd in light of the fact that for most of Israel’s history in the wilderness to this point, Aaron has been the high priest. He was already commissioned and purified for the role. Why does God need to do this?
Simple: Korah. Or, more specifically, the remnants of Korah’s rebellion.
Despite the death of the instigators in Numbers 16, it’s clear that there are still some who question Aaron’s position. That was made plain by the follow-up grumblings by Israel that cost over 14,000 people their lives (Numbers 16:41-50).
What they all needed was unmistakeable proof of God’s chosen religious leader. Think Moses coming down from the Mt. Sinai with his face glowing (Exodus 34:29-35), or—oh, I don’t know—the earth opening up and swallowing a bunch of people (Numbers 16:25-35). Something that shows the hand of God.
The budding of Aaron’s rod proves this point in convincing fashion. Not only does Aaron’s rod sprout, but it “blossoms” completely. The Hebrew in this section testifies of full-stage growth, not a simple leaf poking out of the side. There are even almonds on the rod, for crying out loud (Numbers 17:8).
God argues that this miracle will definitively prove Aaron’s leadership to the point that there won’t be any more rebellions that will result in more loss of life. That won’t happen, obviously—the people will find new things to fight about—but this puts that to rest, at least.
To drive this point even further home, God commands Moses to place the budded rod with the Ark as an enduring testament to the tribe of Levi. Nobody else has to die as a result of glory-hunting. The case has been settled.
For now, at least.