مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ مَحْبُوبٍ عَنِ ابْنِ رِئَابٍ عَنْ أَبِي عُبَيْدَةَ قَالَ
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قَالَ أَبُو جَعْفَرٍ ع مَنْ أَفْتَى النَّاسَ بِغَيْرِ عِلْمٍ وَ لا هُدىً مِنَ اللَّهِ لَعَنَتْهُ مَلَائِكَةُ الرَّحْمَةِ وَ مَلَائِكَةُ الْعَذَابِ وَ لَحِقَهُ وِزْرُ مَنْ عَمِلَ بِفُتْيَاهُ.
English translationMuhammad Sarwar
2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn Mahbub from ibn Ri’ab from abu ‘Ubaydah who has narrated the following: “Abu Ja’far (a.s.), has said, ‘If one issues fatwas without knowledge and guidance from Allah, all angels, of mercy and angels of suffering condemn him and the sin of those who follow his fatwas will be attached to him.’”
Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.
Hadith gradings
1- صحيحAllamah Baqir al-MajlisiMirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (4/269)