Chapter: (What is said regarding) the fear of a believer that his good deeds may be annulled (lost) without his knowledge
Narrated 'Abdullah: The Prophet (ﷺ) said, "Abusing a Muslim is Fusuq (an evil doing) and killing him is Kufr (disbelief)."
Reference
Sahih al-Bukhari 48
In-book reference
Book 2, Hadith 41
USC-MSA web (English)
Vol. 1, Book 2, Hadith 47
Translation by Dr. M. Muhsin Khan · Language: EN
Sahih
Arabic Text
حَدَّثَنَا مُحَمَّدُ بْنُ عَرْعَرَةَ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنْ زُبَيْدٍ، قَالَ سَأَلْتُ أَبَا وَائِلٍ عَنِ الْمُرْجِئَةِ،، فَقَالَ حَدَّثَنِي عَبْدُ اللَّهِ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " سِبَابُ الْمُسْلِمِ فُسُوقٌ، وَقِتَالُهُ كُفْرٌ ".