10في قُلوبِهِم مَرَضٌ فَزادَهُمُ اللَّهُ مَرَضًا ۖ وَلَهُم عَذابٌ أَليمٌ بِما كانوا يَكذِبونَShabbir AhmedThis negative attitude is a disease of the heart that reinforces itself according to the Divine Laws of human psyche. Deceiving one's own "Self" only ensures dire consequences for them since they used to belie the Realities of life.