אֶֽת־הַדְּבָרִ֣ים הָאֵ֡לֶּה דִּבֶּר֩ יְהוָ֨ה אֶל־כָּל־קְהַלְכֶ֜ם בָּהָ֗ר מִתּ֤וֹךְ הָאֵשׁ֙ הֶֽעָנָ֣ן וְהָֽעֲרָפֶ֔ל ק֥וֹל גָּד֖וֹל וְלֹ֣א יָסָ֑ף וַֽיִּכְתְּבֵ֗ם עַל־שְׁנֵי֙ לֻחֹ֣ת אֲבָנִ֔ים וַֽיִּתְּנֵ֖ם אֵלָֽי׃
Firman-firman inilah yang diucapkan Yang Mahakekal kepada seluruh jemaahmu di gunung, dari tengah-tengah api, awan, dan kegelapan pekat, dengan suara yang dahsyat yang tidak berhenti. Lalu Ia menuliskannya pada dua loh batu dan memberikannya kepadaku.
Rashi
ולא יסף — We render this in the Targum by ולא פסק “and He did not cease”, — [Because it is characteristic of human beings that they are unable to utter all their words in one breath (but must make pauses) and it is characteristic of the Holy One, blessed be He, that this is not so, therefore He did not pause, and since He did not pause, He did not have to resume], — for His voice is strong and goes on continuously (Sanhedrin 17a). Another explanation of ולא יסף: He did not again ever reveal himself with such publicity.
Ibn Ezra
These words i.e., the Ten Commandments — but not the exact wording given above [comment on: 5]
Ramban
OUT OF THE MIDST OF THE FIRE, OF THE CLOUD, AND OF THE THICK DARKNESS. “The cloud and the darkness” explain the expression out of the midst of the fire, for Clouds and darkness are round about Him.176Psalms 97:2.