Al-Kāfi
Hadith 535 2ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ أَبِي نَصْرٍ عَنْ أَبِي الْحَسَنِ الرِّضَا (عَلَيْهِ السَّلام) 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 (a.s.) 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 (a.s.) said, “The truthful ones are the Imams (a.s.) who, are truthful in their obedience (to Allah).”