Man Lā Yaḥḍuruh al-Faqīh

Hadith 1746
shirk
4955 - وَ رَوَى مُحَمَّدُ بْنُ مُسْلِمٍ عَنْ أَبِي جَعْفَرٍ عَلَيْهِ اَلسَّلاَمُ قَالَ: "أَدْنَى اَلشِّرْكِ أَنْ يَبْتَدِعَ اَلرَّجُلُ رَأْياً فَيُحِبَّ عَلَيْهِ وَ يُبْغِضَ".
Hadith.4955 - Muhammad ibn Muslim narrated from Abu Ja'far Imam Muhammad ibn Ali Al-Baqir (as) who said: "The slightest form of polytheism is when a man invents an opinion and then loves and hates based on it."
Source: Shaykh Muḥammad b. ʿAlī al-Ṣaduq