injustice to one's soul

وَدَخَلَ جَنَّتَهُۥ وَهُوَ ظَالِمٌ لِّنَفْسِهِۦ قَالَ مَآ أَظُنُّ أَن تَبِيدَ هَـٰذِهِۦٓ أَبَدًا

And he entered his garden while he was unjust to himself. He said, "I do not think that this will perish - ever.