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

“unless it be to an apostle whom He has been pleased to elect [there for]: and then He sends forth [the forces of heaven] to watch over him in whatever lies open before him and in what is beyond his ken –”

The messenger of Truth is apparently a common man. Therefore, the people who are affected by his call turn upon him. They forget that any action against him amounts to action against God Himself. And who can be successful by taking action against God?