وَدَخَلَ جَنَّتَهُۥ وَهُوَ ظَالِمٌ لِّنَفْسِهِۦ قَالَ مَآ أَظُنُّ أَن تَبِيدَ هَـٰذِهِۦٓ أَبَدًا Qur’an Al-Kahf (18:35)Wadakhala jannatahu wahuwa thalimun linafsihi qala ma athunnu an tabeeda hathihi abadan
It was not wealth that ruined him, but the attitude of his mind. He was unjust, not so much to his neighbour, as to his own soul. In his love of the material, he forgot or openly defied the spiritual. As verse 37 shows, he took his companion with him, to impress him with his own importance, but the companion was unmoved.