Surah Ash-Shuraa 42:51
۞ وَمَا كَانَ لِبَشَرٍ أَن يُكَلِّمَهُ ٱللَّهُ إِلَّا وَحْيًا أَوْ مِن وَرَآئِ حِجَابٍ أَوْ يُرْسِلَ رَسُولًا فَيُوحِىَ بِإِذْنِهِۦ مَا يَشَآءُ ۚ إِنَّهُۥ عَلِىٌّ حَكِيمٌ
And it is not for any human being that Allāh should speak to him except by revelation or from behind a partition or that He sends a messenger [i.e., angel] to reveal, by His permission, what He wills. Indeed, He is Most High and Wise.
Translation: Saheeh International
Tafsir
And it is not possible for any human that God should speak to him except that He should reveal to him by revelation in sleep or by inspiration or except from behind a veil where He makes the person able to hear His speech but without seeing Him — as was the case with Moses peace be upon him; …
Excerpt from Tafsir al-Jalalayn, commentary on 42:51, via Quran.com. The reader has the full commentary and 9 more tafsirs.