(3) باب مَا يَلْحَقُ الإِنْسَانَ مِنَ الثَّوَابِ بَعْدَ وَفَاتِهِ
Abu Huraira (Allah be pleased with him) reported Allah's Messenger (ﷺ) as saying:
When a man dies, his acts come to an end, but three, recurring charity, or knowledge (by which people) benefit, or a pious son, who prays for him (for the deceased). (IT)
Reference (IT): Sahih Muslim 1631 (IT)
In-book reference (IT): Book 25, Hadith 20 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 13, Hadith 4005 (IT)