Al-Kāfi
Hadith 6عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ خَالِدٍ عَنْ أَبِيهِ مُرْسَلًا عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ قَالَ رَسُولُ اللَّهِ ( صلى الله عليه وآله ) مِنْ سَعَادَةِ الرَّجُلِ الْوَلَدُ الصَّالِحُ .
6. A number of our people have narrated from Ahmad ibn Muhammad from ibn Khalid from his father in a mursal manner has said, the following: “Abu ‘Abd Allah (a.s.), has said that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, has said, ‘Of good fortune and prosperity of a man is his having the virtuous son.’”