וַיַּקְרֵב֙ אֹֽתְךָ֔ וְאֶת־כָּל־אַחֶ֥יךָ בְנֵי־לֵוִ֖י אִתָּ֑ךְ וּבִקַּשְׁתֶּ֖ם גַּם־כְּהֻנָּֽה׃
and that He hath brought thee near, and all thy brethren the sons of Levi with thee? and will ye seek the priesthood also?
Read halakhic rulings (Jewish law) on Numbers 16:10: and classical halakhic sources.