27إِلّا مَنِ ارتَضىٰ مِن رَسولٍ فَإِنَّهُ يَسلُكُ مِن بَينِ يَدَيهِ وَمِن خَلفِهِ رَصَدًا(Saheeh International)Except whom He has approved of messengers, and indeed, He sends before him [i.e., each messenger] and behind him observers1 Guardian angels to protect the messenger and the message.