Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ibnmajah:74 – Abū ʿUthmān al-Bukhārī Saʿīd b. Saʿd > al-Haytham b. Khārijah > Ismāʿīl / Ibn ʿAyyāsh > ʿAbd al-Wahhāb b. Mujāhid > Mujāhid > Abū Hurayrah And Ibn ʿAbbās

"Faith increases and decreases."  

ابن ماجة:٧٤ – حَدَّثَنَا أَبُو عُثْمَانَ الْبُخَارِيُّ سَعِيدُ بْنُ سَعْدٍ قَالَ حَدَّثَنَا الْهَيْثَمُ بْنُ خَارِجَةَ حَدَّثَنَا إِسْمَاعِيلُ يَعْنِي ابْنَ عَيَّاشٍ عَنْ عَبْدِ الْوَهَّابِ بْنِ مُجَاهِدٍ عَنْ مُجَاهِدٍ

عَنْ أَبِي هُرَيْرَةَ وَابْنِ عَبَّاسٍ قَالاَ الإِيمَانُ يَزِيدُ وَيَنْقُصُ  

See similar narrations below:

Collected by Suyūṭī