Aharon took as Moshe spoke, and ran into the midst of the assembly; and behold, the plague was begun among the people: and he put on the incense, and made atonement for the people.
Moshe said to Aharon, Take your censer, and put fire therein from off the altar, and lay incense thereon, and carry it quickly to the congregation, and make atonement for them: for there is wrath gone out from the LORD; the plague is begun.
and it shall be to him, and to his seed after him, the covenant of an everlasting priesthood; because he was jealous for his God, and made atonement for the children of Yisra'el.