A Comprehensive Compilation of Reliable Narrations · Hadith 45 (#Ḥadīth #9)
Chapter 7 | Prohibition on Speaking without Knowledge and Ruling based on Opinion
[9/43] العيون: بالاسانيد الثلاثة عن الرضا، عن ابائه، عن اميرالمؤمنين عليه السلام قال: قال رسول الله صلى الله عليه وآله: من افتى الناس بغير علم لعنته ملائكة السموات و الارض
9. [9/43] al-Uyun: Via the three chains from al-Ridha from his forefathers from the commander of the faithful عليه السلام who said: the messenger of Allāh صلى الله عليه وآله said: whoever gives Fatwa to the people without knowledge the angels of the heavens and the earth do curse him.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).