٢ : ١٠
فِي قُلُوبِهِم مَّرَضٞ فَزَادَهُمُ ٱللَّهُ مَرَضٗاۖ وَلَهُمۡ عَذَابٌ أَلِيمُۢ بِمَا كَانُواْ يَكۡذِبُونَ
In their hearts is a sickness, and Allah increased their sickness, and they will have a painful punishment for their persistent lying.
شرح ومعانٍ · ١
- The "sickness" mentioned here includes doubt, hypocrisy, arrogance and disbelief.