ʿUyūn akhbār al-Riḍā
Hadith 314314 - وَبِإِسْنادِهِ عَن الحُسَيْنِ بْنِ عَلِىعَلَيْهِمَا السَّلاَمُقالَ: قالَ رَسُولَ اللَّهِ صَلَّى اللهُ عَلَيْهِ وَآلِهِ لِعَلِيِّ: بَشِّرَ لِشيعَتِكَ إِنِّي الشَّفيعُ لَهُم يَوْمَ القِيامَةِ، يَوْمَ لا يَنفَعُ إِلاّ شَفاعَتِي.
31-314 According to the same documentation on the authority of Al-Husayn ibn Ali (a.s.), God’s Prophet (S) told Ali (a.s.), “Give your followers the glad tidings that I will intercede on their behalf on the Resurrection Day - the Day on which nothing will benefit them except for my intercession.”