Al-Hajj 22:53

لِّيَجۡعَلَ مَا يُلۡقِي ٱلشَّيۡطَٰنُ فِتۡنَةٗ لِّلَّذِينَ فِي قُلُوبِهِم مَّرَضٞ وَٱلۡقَاسِيَةِ قُلُوبُهُمۡۗ وَإِنَّ ٱلظَّـٰلِمِينَ لَفِي شِقَاقِۭ بَعِيدٖ 53

[That is] so He may make what Satan throws in a trial for those within whose hearts is disease and those hard of heart. And indeed, the wrongdoers are in extreme dissension