حَدَّثَنَا وَكِيعٌ حَدَّثَنَا إِسْرَائِيلُ عَنْ جَابِرٍ عَنْ أَبِي جَعْفَرٍ وَعَطَاءٍ قَالَا الْأُضْحِيَّةُ سُنَّةٌ وَقَالَ عِكْرِمَةُ عَنِ ابْنِ عَبَّاسٍ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أُمِرْتُ بِالْأُضْحِيَّةِ وَالْوَتْرِ وَلَمْ تُكْتَبْ
مسند امام احمد بن حنبل · Hadith 2081
It was narrated that Ibn 'Abbas said: The Messenger of Allah (PBUH) said: "I have been commanded to pray Duha and Witr, but it is not obligatory [for you]’'.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020