divine surveillance and justice

أَمْ يَحْسَبُونَ أَنَّا لَا نَسْمَعُ سِرَّهُمْ وَنَجْوَىٰهُم ۚ بَلَىٰ وَرُسُلُنَا لَدَيْهِمْ يَكْتُبُونَ

Or do they think that We hear not their secrets and their private conversations? Yes, [We do], and Our messengers [i.e., angels] are with them recording.