וַיְהִ֗י בְּהִקָּהֵ֤ל הָֽעֵדָה֙ עַל־מֹשֶׁ֣ה וְעַֽל־אַהֲרֹ֔ן וַיִּפְנוּ֙ אֶל־אֹ֣הֶל מוֹעֵ֔ד וְהִנֵּ֥ה כִסָּ֖הוּ הֶעָנָ֑ן וַיֵּרָ֖א כְּב֥וֹד יְהוָֽה׃
And it came to pass, when the congregation was assembled against Moses and against Aaron, that they looked toward the tent of meeting; and, behold, the cloud covered it, and the glory of the LORD appeared.
Read midrashic interpretation of Numbers 17:7: and classical rabbinic exegesis.