Classical material not listed by Torah Temimah under this passuk (EXTRA).
Core Text — EXTRA
וַיֹּ֤אמֶר יְהֹוָה֙ אֶֽל־אַהֲרֹ֔ן לֵ֛ךְ לִקְרַ֥את מֹשֶׁ֖ה הַמִּדְבָּ֑רָה וַיֵּ֗לֶךְ וַֽיִּפְגְּשֵׁ֛הוּ בְּהַ֥ר הָאֱלֹהִ֖ים וַיִּשַּׁק־לֽוֹ׃
English: “Go to meet Moshe” — \ldots to teach you that Aharon rejoiced in his heart.