حَدَّثَنَا عَفَّانُ ، حَدَّثَنَا شُعْبَةُ ، عَنْ أَبِي إِسْحَاق ، قَالَ : سَمِعْتُ عَاصِمَ بْنَ ضَمْرَةَ ، قَالَ : سَمِعْتُ عَلِيًّا ، يَقُولُ : " إِنَّالْوِتْرَ لَيْسَ بِحَتْمٍ كَالصَّلَاةِ، وَلَكِنَّهُ سُنَّةٌ، فَلَا تَدَعُوهُ "

Affan told us, Shu’bah told us, on the authority of Abu Ishaq, he said: I heard Asim bin Damra, he said: I heard Ali, saying: “Inal-Witr is not As imperative as prayer, but it is a Sunnah, so do not abandon it.”