The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 99 (#Ḥadīth #99)

99 - وَبِهذَا الإِسنادِ قالَ: قالَ رَسُولُ اللَّهِ صَلَّى اللهُعَلَيْهِ وَآلِهِ: مَن حَفِظَ مِن اُمَّتِي أَرْبَعِينَ حَدِيثاً يَنتَفِعُونَ بِها؛ بَعَثَهُ اللَّه يَوْمَ القِيامَةِ فَقِيهاً عالِماً.

31-99 According to the same documentation, God’s Prophet (S) said, “If anyone in my nation memorizes forty traditions which are beneficial for the people, God will resurrect him as a knowledgeable scholar on the Resurrection Day.”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).