Arabic (Original)
أَخْبَرَنَا الْفَضْلُ بْنُ الْحُبَابِ الْجُمَحِيُّ قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ الْعَبْدِيُّ قَالَ أَخْبَرَنَا سُفْيَانُ الثَّوْرِيُّ عَنْ سَلَمَةَ بْنِ كُهَيْلٍ عَنْ حُجَيَّةَ بْنِ عَدِيٍّ عَنْ عَلِيِّ بْنِ أَبِي طَالِبٍ قَالَ «أَمَرَنَا رَسُولُ اللَّهِ ﷺ أَنْ نَسْتَشْرِفَ الْعَيْنَ وَالْأُذُنَ»
English Translation
Abu Khalifah informed us, saying: Abu al-Walid narrated to us, saying: Shu'bah narrated to us, saying: al-Walid ibn al-Ayzar informed me that he heard Abu Amr al-Shaybani saying: I heard Abdullah ibn Mas'ud saying: The Messenger of Allah (peace and blessings be upon him) said: 'Reviling a Muslim is sinful disobedience, and fighting him is disbelief.'