The core problem is that in imperfect humans, “the heart is more treacherous than anything else and is desperate. ”
(‏ ار ١٧ :‏ ٩‏ )‏ وَنَجِدُ فِي كَلِمَةِ ٱللهِ أَمْثِلَةً عَدِيدَةً تُظْهِرُ مَخَاطِرَ ٱلِٱتِّكَالِ عَلَى ٱلْقَلْبِ .‏