Al-Kāfi - Volume 7 > Things that Reach a Deceased after his Death
Hadith #1

1- عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ مُحَمَّدِ بْنِ عِيسَى عَنْ مَنْصُورٍ عَنْ هِشَامِ بْنِ سَالِمٍ عَنْ أَبِي عَبْدِ اللهِ (عَلَيْهِ السَّلام) قَالَ لَيْسَ يَتْبَعُ الرَّجُلَ بَعْدَ مَوْتِهِ مِنَ الأجْرِ إِلا ثَلاثُ خِصَالٍ صَدَقَةٌ أَجْرَاهَا فِي حَيَاتِهِ فَهِيَ تَجْرِي بَعْدَ مَوْتِهِ وَسُنَّةُ هُدًى سَنَّهَا فَهِيَ يُعْمَلُ بِهَا بَعْدَ مَوْتِهِ أَوْ وَلَدٌ صَالِحٌ يَدْعُو لَهُ.

1. A number of our people have narrated from Ahmad ibn Muhammad ibn ‘Isa from Muhammad ibn ‘Isa from Mansur from Hisham ibn Salim who has narrated the following: “Abu ‘Abd Allah, ‘Alayhi al-Salam, has said, ‘Nothing of the rewards follow a deceased after his death except three qualities: A charity that he established in his lifetime, it continues after his death; a Sunnah of guidance that he established upon which people act after his death; or a virtuous child who prays for him.’”