Qur'an 13:11

لَهُۥ مُعَقِّبَـٰتٌ مِّنۢ بَيْنِ يَدَيْهِ وَمِنْ خَلْفِهِۦ يَحْفَظُونَهُۥ مِنْ أَمْرِ ٱللَّهِ ۗ إِنَّ ٱللَّهَ لَا يُغَيِّرُ مَا بِقَوْمٍ حَتَّىٰ يُغَيِّرُوا۟ مَا بِأَنفُسِهِمْ ۗ وَإِذَآ أَرَادَ ٱللَّهُ بِقَوْمٍ سُوٓءًا فَلَا مَرَدَّ لَهُۥ ۚ وَمَا لَهُم مِّن دُونِهِۦ مِن وَالٍ

“For him [i.e., each one] are successive [angels] before and behind him who protect him by the decree of Allāh. Indeed, Allāh will not change the condition of a people until they change what is in themselves. And when Allāh intends for a people ill, there is no repelling it. And there is not for them besides Him any patron.”

Ar-Ra'd 13:11 · Saheeh International