10في قُلوبِهِم مَرَضٌ فَزادَهُمُ اللَّهُ مَرَضًا ۖ وَلَهُم عَذابٌ أَليمٌ بِما كانوا يَكذِبونَ(Irfan-ul-Quran)In their hearts is a disease. So Allah has worsened their disease. For them, there is painful punishment because they used to tell lies.