Quran 72:27

إِلَّا مَنِ ٱرْتَضَىٰ مِن رَّسُولٍۢ فَإِنَّهُۥ يَسْلُكُ مِنۢ بَيْنِ يَدَيْهِ وَمِنْ خَلْفِهِۦ رَصَدًۭا

Except whom He has approved of messengers, and indeed, He sends before each messenger and behind him observers

Translation · Saheeh International