It is to be a reminder to the Israelites, so that no unauthorized person—anyone who is not from Aaron’s descendants—may come near to burn incense before the LORD and become like Korah and his assembly, as the LORD had spoken to him through Moses.
And it shall come to pass, that the man's rod, whom I shall choose, shall blossom: and I will make to cease from me the murmurings of the children of Israel, whereby they murmur against you.