صحيح مسلم
Sahih Muslim
كتاب الإيمان
The Book of Faith
باب بَيَانِ نُقْصَانِ الإِيمَانِ بِنَقْصِ الطَّاعَاتِ وَبَيَانِ إِطْلاَقِ لَفْظِ الْكُفْرِ عَلَى غَيْرِ الْكُفْرِ بِاللَّهِ كَكُفْرِ النِّعْمَةِ وَالْحُقُوقِ:
Chapter: Clarifying that faith decreases with shortcoming in obedience, and the word Kufr may be used with regard to matters other than dsbelief in Allah, such as ingratitude for blessings and not fulfilling one's duties
Hadith 79
This hadith is listed as number 242 in Maktaba Shamila
وحَدَّثَنِيهِ أَبُو الطَّاهِرِ ، أَخْبَرَنَا ابْنُ وَهْبٍ ، عَنْ بَكْرِ بْنِ مُضَرَ ، عَنِ ابْنِ الْهَادِ ، بِهَذَا الإِسْنَادِ مِثْلَهُ .
This hadith has been narrated on the authority of Abu Tahir with this chain of transmitters.
