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:761ʿAbd al-Raḥman b. Mahdī > Sufyān > Abū Isḥāq > ʿĀṣim b. Ḍamrah > ʿAlī

Witr is not a must like regular prayer, but it is a Sunnah that was established by the Messenger of Allah ﷺ.  

أحمد:٧٦١حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ حَدَّثَنَا سُفْيَانُ عَنْ أَبِي إِسْحَاقَ عَنْ عَاصِمِ بْنِ ضَمْرَةَ عَنْ عَلِيٍّ قَالَ

لَيْسَ الْوَتْرُ بِحَتْمٍ كَهَيْئَةِ الصَّلاةِ وَلَكِنْ سُنَّةٌ سَنَّهَا رَسُولُ اللهِ ﷺ  


See similar narrations below:

Collected by Nasāʾī, Aḥmad, Nasāʾī's Kubrá
nasai:1676Muḥammad b. Ismāʿīl b. Ibrāhīm > Abū Nuʿaym > Sufyān > Abū Isḥāq > ʿĀṣim b. Ḍamrah > ʿAlī

"Witr is not essential like the obligatory prayers, but it is the sunnah of the Messenger of Allah ﷺ."  

النسائي:١٦٧٦أَخْبَرَنِي مُحَمَّدُ بْنُ إِسْمَاعِيلَ بْنِ إِبْرَاهِيمَ عَنْ أَبِي نُعَيْمٍ عَنْ سُفْيَانَ عَنْ أَبِي إِسْحَاقَ عَنْ عَاصِمِ بْنِ ضَمْرَةَ عَنْ عَلِيٍّ ؓ قَالَ

الْوِتْرُ لَيْسَ بِحَتْمٍ كَهَيْئَةِ الْمَكْتُوبَةِ وَلَكِنَّهُ سُنَّةٌ سَنَّهَا رَسُولُ اللَّهِ ﷺ  

ahmad:652Wakīʿ > Sufyān > Abū Isḥāq > ʿĀṣim b. Ḍamrahaʿan ʿAlī

Witr is not an essential like regular prayer, but it is a Sunnah that was established by the Messenger of Allah ﷺ.  

أحمد:٦٥٢حَدَّثَنَا وَكِيعٌ حَدَّثَنَا سُفْيَانُ عَنْ أَبِي إِسْحَاقَ عَنْ عَاصِمِ بْنِ ضَمْرَةَعَنْ عَلِيٍّ قَالَ

الْوَتْرُ لَيْسَ بِحَتْمٍ مِثْلَ الصَّلاةِ وَلَكِنَّهُ سُنَّةٌ سَنَّهَا رَسُولُ اللهِ ﷺ  

ahmad:927ʿAbd al-Razzāq > Maʿmar And al-Thhawrī > Abū Isḥāq > ʿĀṣim b. Ḍamrah > ʿAlī

Witr is not a must like the obligatory prayers, but it is a Sunnah established by the Messenger of Allah ﷺ.  

أحمد:٩٢٧حَدَّثَنَا عَبْدُ الرَّزَّاقِ حَدَّثَنَا مَعْمَرٌ وَالثَّوْرِيُّ عَنْ أَبِي إِسْحَاقَ عَنْ عَاصِمِ بْنِ ضَمْرَةَ عَنْ عَلِيٍّ قَالَ

لَيْسَ الْوَتْرُ بِحَتْمٍ كَهَيْئَةِ الْمَكْتُوبَةِ وَلَكِنَّهُ سُنَّةٌ سَنَّهَا رَسُولُ اللهِ ﷺ  

ahmad:1220ʿAbdullāh > ʿAlī b. Ḥakīm al-Awdī > Sharīk > Abū Isḥāq > ʿĀṣim b. Ḍamrah > ʿAlī

Witr is not a must, but it is a Sunnah that was established by the Messenger of Allah ﷺ .  

أحمد:١٢٢٠حَدَّثَنَا عَبْدُ اللهِ حَدَّثَنَا عَلِيُّ بْنُ حَكِيمٍ الْأَوْدِيُّ أَخْبَرَنَا شَرِيكٌ عَنْ أَبِي إِسْحَاقَ عَنْ عَاصِمِ بْنِ ضَمْرَةَ عَنْ عَلِيٍّ قَالَ

الْوَتْرُ لَيْسَ بِحَتْمٍ وَلَكِنَّهُ سُنَّةٌ سَنَّهَا رَسُولُ اللهِ ﷺ  

nasai-kubra:1389Maḥmūd b. Ghaylān > Wakīʿ > Sufyān > Abū Isḥāq > ʿĀṣim b. Ḍamrah > ʿAlī

Witr is not a must like the obligatory prayers, but it is a Sunnah established by the Messenger of Allah ﷺ. (Using translation from Aḥmad 927)   

الكبرى للنسائي:١٣٨٩أَخْبَرَنَا مَحْمُودُ بْنُ غَيْلَانَ قَالَ حَدَّثَنَا وَكِيعٌ قَالَ حَدَّثَنَا سُفْيَانُ عَنْ أَبِي إِسْحَاقَ عَنْ عَاصِمِ بْنِ ضَمْرَةَ عَنْ عَلِيٍّ قَالَ

«لَيْسَ الْوِتْرُ بِحَتْمٍ مِثْلَ الْمَكْتُوبَةِ وَلَكِنَّهَا سُنَّةٌ سَنَّهَا رَسُولُ اللهِ ﷺ»  

nasai-kubra:441Maḥmūd b. Ghaylān > Wakīʿ > Sufyān > Abū Isḥāq > ʿĀṣim > ʿAlī

Witr is not a must like the obligatory prayers, but it is a Sunnah established by the Messenger of Allah ﷺ. (Using translation from Aḥmad 927)   

الكبرى للنسائي:٤٤١أَخْبَرَنَا مَحْمُودُ بْنُ غَيْلَانَ قَالَ حَدَّثَنَا وَكِيعٌ قَالَ حَدَّثَنَا سُفْيَانُ عَنْ أَبِي إِسْحَاقَ عَنْ عَاصِمٍ عَنْ عَلِيٍّ قَالَ

«لَيْسَ الْوِتْرُ بِحَتْمٍ مِثْلَ الْمَكْتُوبَةِ وَلَكِنَّهُ سُنَّةٌ سَنَّهَا رَسُولُ اللهِ ﷺ»