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
hakim:1117 – Abū al-ʿAbbās Muḥammad b. Yaʿqūb Imlāʾ > Muḥammad b. Sinān al-Qazzāz > ʿAbdullāh b. Ḥamdān > ʿAbd al-Ḥamīd b. Jaʿfar b. ʿAbdullāh b. al-Ḥakam > Abū Jaʿfar b. ʿAbdullāh > ʿAbd al-Raḥman b. Abū ʿAmrah al-Najjārī

[Machine] "A good practice, performed by the Prophet ﷺ and Muslims after him, but it is not obligatory."  

الحاكم:١١١٧ – حَدَّثَنَا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ إِمْلَاءً ثنا مُحَمَّدُ بْنُ سِنَانٍ الْقَزَّازُ ثنا عَبْدُ اللَّهِ بْنُ حَمْدَانَ ثنا عَبْدُ الْحَمِيدِ بْنُ جَعْفَرِ بْنِ عَبْدِ اللَّهِ بْنِ الْحَكَمِ حَدَّثَنِي أَبِي جَعْفَرُ بْنُ عَبْدِ اللَّهِ عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي عَمْرَةَ النَّجَّارِيِّ أَنَّهُ سَأَلَ عُبَادَةَ بْنَ الصَّامِتِ عَنِ الْوِتْرِ فَقَالَ

أَمْرٌ حَسَنٌ «عَمِلَ بِهِ النَّبِيُّ ﷺ وَالْمُسْلِمُونَ مِنْ بَعْدِهِ وَلَيْسَ بِوَاجِبٍ»  

هَذَا حَدِيثٌ صَحِيحٌ عَلَى شَرْطِ الشَّيْخَيْنِ وَلَمْ يُخَرِّجَاهُ وَلَهُ شَوَاهِدُ فَمِنْهَا مَا على شرطهما

See similar narrations below:

Collected by Bayhaqī
bayhaqi:4452 – Abū ʿAbdullāh al-Ḥāfiẓ > Abū al-ʿAbbās Muḥammad b. Yaʿqūb Imlāʾ > Muḥammad b. Sinān al-Qazzāz > ʿAbdullāh b. Ḥumrān > ʿAbd al-Ḥamīd b. Jaʿfar b. ʿAbdullāh b. al-Ḥakam > Abū Jaʿfar b. ʿAbdullāh b. al-Ḥakam > ʿAbd al-Raḥman b. Abū ʿAmrah al-Bukhārī

[Machine] A good and beautiful act that the Prophet ﷺ and the Muslims have done after him, but it is not obligatory.  

البيهقي:٤٤٥٢ – أنبأ أَبُو عَبْدِ اللهِ الْحَافِظُ ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ إِمْلَاءً ثنا مُحَمَّدُ بْنُ سِنَانٍ الْقَزَّازُ ثنا عَبْدُ اللهِ بْنُ حُمْرَانَ ثنا عَبْدُ الْحَمِيدِ بْنُ جَعْفَرِ بْنِ عَبْدِ اللهِ بْنِ الْحَكَمِ قَالَ حَدَّثَنِي أَبِي جَعْفَرُ بْنُ عَبْدِ اللهِ بْنِ الْحَكَمِ عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي عَمْرَةَ الْبُخَارِيِّ أَنَّهُ سَأَلَ عُبَادَةَ بْنَ الصَّامِتِ ؓ عَنِ الْوِتْرِ فَقَالَ

أَمْرٌ حَسَنٌ جَمِيلٌ عَمِلَ بِهِ النَّبِيُّ ﷺ وَالْمُسْلِمُونَ مِنْ بَعْدِهِ وَلَيْسَ بِوَاجِبٍ