حَدَّثَنَا فَضْلُ بْنُ دُكَيْنٍ حَدَّثَنَا يَاسِينُ الْعِجْلِيُّ عَنْ إِبْرَاهِيمَ بْنِ مُحَمَّدِ ابْنِ الْحَنَفِيَّةِ عَنْ أَبِيهِ عَنْ عَلِيٍّ رَضِيَ اللَّهُ عَنْهُ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الْمَهْدِيُّ مِنَّا أَهْلَ الْبَيْتِ يُصْلِحُهُ اللَّهُ فِي لَيْلَةٍ
مسند امام احمد بن حنبل · Hadith 645
It was narrated that 'Ali (RA) said: The Messenger of Allah (PBUH) said: "The Mahdi is one of us, Ahlnl-Baii (the Prophet's family) and Allah will prepare him in one night."
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020