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.
ahmad-zuhd:1570ʿAbdullāh > Muḥammad b. ʿAbdullāh b. Numayr > Abū Khālid al-Aḥmar > ʿAmr b. Qays al-Mulāʾī > Idhā

[Machine] "Once you hear something good, act upon it so that you may be counted among its people, even if it is just once."  

الزهد لأحمد:١٥٧٠حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ نُمَيْرٍ حَدَّثَنَا أَبُو خَالِدٍ الْأَحْمَرُ قَالَ سَمِعْتُ عَمْرَو بْنَ قَيْسٍ الْمُلَائِيَّ يَقُولُ «إِذَا

سَمِعْتَ شَيْئًا مِنَ الْخَيْرِ فَاعْمَلْ بِهِ تَكُنْ مِنْ أَهْلِهِ وَلَوْ مَرَّةً»