Al-Kāfi

Hadith 665
twelve-imams
2ـ أَبُو عَلِيٍّ الاشْعَرِيُّ عَنْ مُحَمَّدِ بْنِ عَبْدِ الْجَبَّارِ عَنْ صَفْوَانَ عَنِ ابْنِ مُسْكَانَ عَنْ بَدْرِ بْنِ الْوَلِيدِ عَنْ أَبِي الرَّبِيعِ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ السَّلام) قَالَ إِنَّ الامَامَ إِذَا شَاءَ أَنْ يَعْلَمَ أُعْلِمَ.
2. Abu Ali al-Ash‘ari has narrated from Muhammad ibn ‘Abd al-Jabbar from Safwan from ibn Muskan from Badr ibn al-Walid from Abu al-Rabi‘ from abu ‘Abdallah (a.s.) who has said the following. “Would the Imam (a.s.) want to know he would know.”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī