""And Moses spoke to the children of Israel, and all their princes gave him a staff for each prince, a staff for each prince according to their father's houses, twelve staffs, and the staff of Aaron among their staffs (Number 17:21).
“It was on the next day, and Moses came into the Tent of the Testimony, and, behold, the staff of Aaron of the house of Levi had blossomed, it had produced a blossom, and had sprouted a bud, and bore almonds” (Numbers 17:23).
“And Aaron’s staff” (Numbers 17:21) – some say it is the staff that was in Judah’s hand, as it is stated: “And the staff that is in your hand” (Genesis 38:18). And some say it is the staff that was in Moses’s hand and it blossomed on its own, as it is stated: “And behold, the staff of Aaron… had blossomed.”
Some say: Moses took one beam and cut it into twelve planks, and he said to them: ‘All of you take your staffs from one beam.’ Why did Moses do so? “Refraining from a quarrel is honor for a man, and every fool will be exposed” (Proverbs 20:3). It is so they would not say that his staff was moist and blossomed. The Holy One blessed be He decreed regarding the staff, and the ineffable name that appeared on the frontplate [tzitz] was found upon it, as it is stated: “It had produced a blossom, and had sprouted a bud [tzitz]” (Numbers 17:23). It blossomed that night and produced a fruit, “and boree almonds [vayigmol shekedim]” (Numbers 17:23). It repaid [gamal] everyone who had striven [shoked] against the tribe of Levi. Why almonds and not pomegranates and not nuts? It is because Israel was likened to them.
That staff was in the hand of each and every king until the Temple was destroyed, and it was sequestered. And that staff is destined to be in the hand of the messianic king soon, in our day, as it is stated: “The Lord will send your rod of strength from Zion; rule in the midst of your enemies” (Psalms 110:2)."