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.
ibnmajah:75Abū ʿUthmān al-Bukhārī > al-Haytham > Ismāʿīl > Jarīr b. ʿUthmān > al-Ḥārith Aẓunnuh > Mujāhid > Abū al-Dardāʾ

"Faith increases and decreases."  

ابن ماجة:٧٥حَدَّثَنَا أَبُو عُثْمَانَ الْبُخَارِيُّ حَدَّثَنَا الْهَيْثَمُ حَدَّثَنَا إِسْمَاعِيلُ عَنْ جَرِيرِ بْنِ عُثْمَانَ عَنِ الْحَارِثِ أَظُنُّهُ عَنْ مُجَاهِدٍ عَنْ أَبِي الدَّرْدَاءِ قَالَ

الإِيمَانُ يَزْدَادُ وَيَنْقُصُ  


See similar narrations below:

Collected by Suyūṭī