What made the difference? Hebrews 11: 4 states: “By faith Abel offered God a sacrifice of greater worth than Cain, through which faith he had witness borne to him that he was righteous. ”
تَذْكُرُ ٱلْعِبْرَانِيِّين ١١ :‏ ٤‏ :‏ « بِٱلْإِيمَانِ قَرَّبَ هَابِيلُ للهِ ذَبِيحَةً أَعْظَمَ قِيمَةً مِنْ قَايِينَ ،‏ وَبِهِ شُهِدَ لَهُ بِأَنَّهُ بَارٌّ » .‏