וַיֹּ֣אמֶר אֵלַ֗י בֶּן־אָדָם֙ בִּטְנְךָ֤ תַֽאֲכֵל֙ וּמֵעֶ֣יךָ תְמַלֵּ֔א אֵ֚ת הַמְּגִלָּ֣ה הַזֹּ֔את אֲשֶׁ֥ר אֲנִ֖י נֹתֵ֣ן אֵלֶ֑יךָ וָאֹ֣כְלָ֔ה וַתְּהִ֥י בְּפִ֖י כִּדְבַ֥שׁ לְמָתֽוֹק׃ (פ)
Et il me dit: "Fils de l’homme, tu nourriras ton ventre et rempliras tes entrailles de ce rouleau que je te donne"; je le mangeai et il devint dans ma bouche aussi doux que du miel.
Malbim
He remained there with Ad-noy. Moshe’s body ascended in spirituality until it was capable of surviving on the food of the soul. Thus according to Shemos Rabbah (48) he was nourished by the splendor of the Shechinah. The Ten [Commandments]. The first tablets were inscribed on both sides, containing all the laws of the Torah in all their details, both exoteric and esoteric. The second tablets, by contrast, contained only the Ten Commandments.