The Sufficient (Vol 1) · Hadith 534 (#Ḥadīth #2)
Chapter 19 | The matters that Allah, the Most Holy, the Most High, and His Messenger (s.a.) have sanctioned as obligatory of the beings with the Imams
2ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ أَبِي نَصْرٍ عَنْ أَبِي الْحَسَنِ الرِّضَا قَالَ سَأَلْتُهُ عَنْ قَوْلِ الله عَزَّ وَجَلَّ يا أَيُّهَا الَّذِينَ آمَنُوا اتَّقُوا الله وَكُونُوا مَعَ الصَّادِقِينَ قَالَ الصَّادِقُونَ هُمُ الائِمَّةُ وَالصِّدِّيقُونَ بِطَاعَتِهِمْ.
2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn abu Nasr who has said that he asked abu al-Hassan al-Rida about the meaning of the words of Allah, the Most Holy, the Most High, in the following verse. “Believers, be pious before God and always be friends with the truthful ones.” (9:119) The Imams said, “The truthful ones are the Imams who, are truthful in their obedience (to Allah).”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).