Sunan Abi Dawud 4666
سنن أبي داود#4666Sahihحَدَّثَنَا إِسْمَاعِيلُ بْنُ إِبْرَاهِيمَ الْهُذَلِيُّ، حَدَّثَنَا ابْنُ عُلَيَّةَ، عَنْ يُونُسَ، عَنِ الْحَسَنِ، عَنْ قَيْسِ بْنِ عُبَادٍ، قَالَ قُلْتُ لِعَلِيٍّ رضى الله عنه أَخْبِرْنَا عَنْ مَسِيرِكَ هَذَا أَعَهْدٌ عَهِدَهُ إِلَيْكَ رَسُولُ اللَّهِ صلى الله عليه وسلم أَمْ رَأْىٌ رَأَيْتَهُ فَقَالَ مَا عَهِدَ إِلَىَّ رَسُولُ اللَّهِ صلى الله عليه وسلم بِشَىْءٍ وَلَكِنَّهُ رَأْىٌ رَأَيْتُهُ .
Qais b. ‘Abbad said :I said to ‘All (Allah be pleased with him) : Tell me about this march of yours. Is this an order that the Messenger of Allah (May peace be upon him) had given you, or is this your opinion that you have? He said: The Messenger of Allah (May peace be upon him) did not give me any order; but this is an opinion that I have
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 42:71