Surah Al-Jinn 72:27

إِلَّا مَنِ ٱرْتَضَىٰ مِن رَّسُولٍ فَإِنَّهُۥ يَسْلُكُ مِنۢ بَيْنِ يَدَيْهِ وَمِنْ خَلْفِهِۦ رَصَدًا

Except whom He has approved of messengers, and indeed, He sends before him [i.e., each messenger] and behind him observers

Translation: Saheeh International

Tafsir

except to a messenger of whom He approves. Then in addition to disclosing to him what He will to disclose of it by way of making it a miracle for him He despatches He appoints and sends forth before him namely the Messenger and behind him watchers angels to preserve him until He has conveyed it to him as part of the …

Excerpt from Tafsir al-Jalalayn, commentary on 72:27, via Quran.com. The reader has the full commentary and 9 more tafsirs.