alkafi-4264Vol. 3, p. 119
كَانَ أَبُو جَعْفَرٍ ع يَقُولُ مَنْ مَاتَ دُونَ الْأَرْبَعِينَ فَقَدِ اخْتُرِمَ وَ مَنْ مَاتَ دُونَ أَرْبَعَةَ عَشَرَ يَوْماً فَمَوْتُهُ مَوْتُ فَجْأَةٍ.
“Abu Ja’far (a.s.), has said, ‘If one dies before the age of forty, his life is cut short, and if one dies before fourteen days from the day of his falling ill, such death is a sudden death.’”