"When a person dies, his deeds are cut off except for three: Continuing charity, knowledge that others benefited from, and a righteous son who supplicates for him."
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ إِذَا مَاتَ الإِنْسَانُ انْقَطَعَ عَمَلُهُ إِلاَّ مِنْ ثَلاَثٍ صَدَقَةٌ جَارِيَةٌ وَعِلْمٌ يُنْتَفَعُ بِهِ وَوَلَدٌ صَالِحٌ يَدْعُو لَهُ