Sunan an-Nasa'i 5711
سنن النسائي#5711Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ أَبَانَ، قَالَ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ إِدْرِيسَ، قَالَ أَنْبَأَنَا شُعْبَةُ، عَنْ بُرَيْدِ بْنِ أَبِي مَرْيَمَ، عَنْ أَبِي الْحَوْرَاءِ السَّعْدِيِّ، قَالَ قُلْتُ لِلْحَسَنِ بْنِ عَلِيٍّ رضى الله عنهما مَا حَفِظْتَ مِنْ رَسُولِ اللَّهِ صلى الله عليه وسلم قَالَ حَفِظْتُ مِنْهُ " دَعْ مَا يَرِيبُكَ إِلَى مَا لاَ يَرِيبُكَ " .
It was narrated that Abu Al-Hawra' As-Sa'di said:"I said to Al-Hasan bin 'Ali, may Allah be pleased with him: 'What did you memorize from the Messenger of Allah [SAW]?' He said: I memorized from him: 'Leave that which makes you doubt for that which does not make you doubt
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: 51:173