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.
suyuti:621-75bAbū al-Dardāʾ > from Fiqh al-a man > Yaʿlam Ayazdād > Am Yanquṣ And from Fahmih
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السيوطي:٦٢١-٧٥b

"عَنْ أَبِي الدَّرْداءِ قَالَ: مِنْ فِقْهِ الرَّجُلِ أَنْ يَعْلَمَ أَيَزْدَادُ هُوَ أَم يَنْقُصُ، وَمِنْ فَهْمِهِ أَنْ يَعْلَمَ نَزَغَاتِ الشَّيْطَانِ أَنَّي تَأتِيَهُ".  

محمد بن عثمان الأذرعي في كتاب الوسوسة