Sahih al-Bukhari 87:9
Narrated `Abdullah bin `Amr:
The Prophet (ﷺ) said, "Al-Ka`ba'ir (the biggest sins) are: To join others (as partners) in worship with Allah, to be undutiful to one's parents," or said, "to take a false oath." (The sub-narrator, Shu`ba is not sure) Mu`adh said: Shu`ba said, "Al-Ka`ba'ir (the biggest sins) are: (1) Joining others as partners in worship with Allah, (2) to take a false oath (3) and to be undutiful to one's parents," or said, "to murder (someone unlawfully).
Reference
Sahih al-Bukhari 87:9
In-book reference
Book 87, Hadith 9
Arabic Text
حَدَّثَنِي مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، عَنْ فِرَاسٍ، عَنِ الشَّعْبِيِّ، عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " الْكَبَائِرُ الإِشْرَاكُ بِاللَّهِ، وَعُقُوقُ الْوَالِدَيْنِ ". أَوْ قَالَ " الْيَمِينُ الْغَمُوسُ ". شَكَّ شُعْبَةُ. وَقَالَ مُعَاذٌ حَدَّثَنَا شُعْبَةُ قَالَ " الْكَبَائِرُ الإِشْرَاكُ بِاللَّهِ، وَالْيَمِينُ الْغَمُوسُ، وَعُقُوقُ الْوَالِدَيْنِ ". أَوْ قَالَ " وَقَتْلُ النَّفْسِ ".