Hadith 31-99

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

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.”