وَكَانُوا يُصِرُّونَ عَلَى الْحِنثِ الْعَظِيمِ (46)
(56:46) and had persisted in the Great Sin. *20
*20) That is, "Their prosperity had an adverse effect on them. Instead of being grateful to Allah Almighty, they had become deniers of His blessings. Lost in pleasure-seeking they had forgotten God and persisted in heinous sinning. "Heinous sinning" includes disbelief, polytheism and atheism as well as every grave sin of morality and conduct."