Jami` at-Tirmidhi 384
جامع الترمذي#384Hasanحَدَّثَنَا يَحْيَى بْنُ مُوسَى، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، أَخْبَرَنَا ابْنُ جُرَيْجٍ، عَنْ عِمْرَانَ بْنِ مُوسَى، عَنْ سَعِيدِ بْنِ أَبِي سَعِيدٍ الْمَقْبُرِيِّ، عَنْ أَبِيهِ، عَنْ أَبِي رَافِعٍ، أَنَّهُ مَرَّ بِالْحَسَنِ بْنِ عَلِيٍّ وَهُوَ يُصَلِّي وَقَدْ عَقَصَ ضَفِرَتَهُ فِي قَفَاهُ فَحَلَّهَا فَالْتَفَتَ إِلَيْهِ الْحَسَنُ مُغْضَبًا فَقَالَ أَقْبِلْ عَلَى صَلاَتِكَ وَلاَ تَغْضَبْ فَإِنِّي سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " ذَلِكَ كِفْلُ الشَّيْطَانِ " . قَالَ وَفِي الْبَابِ عَنْ أُمِّ سَلَمَةَ وَعَبْدِ اللَّهِ بْنِ عَبَّاسٍ . قَالَ أَبُو عِيسَى حَدِيثُ أَبِي رَافِعٍ حَدِيثٌ حَسَنٌ . وَالْعَمَلُ عَلَى هَذَا عِنْدَ أَهْلِ الْعِلْمِ كَرِهُوا أَنْ يُصَلِّيَ الرَّجُلُ وَهُوَ مَعْقُوصٌ شَعْرُهُ . قَالَ أَبُو عِيسَى وَعِمْرَانُ بْنُ مُوسَى هُوَ الْقُرَشِيُّ الْمَكِّيُّ وَهُوَ أَخُو أَيُّوبَ بْنِ مُوسَى .
Abu Rafi narrated that :He passed by Al-Hasan bin Ali while he was performing Salat and he had gathered his locks at the back of his head, so he (Abu Rafi) undid them, and Al-Hasan turned to him angrily. He said: "Resume your Salat and do not be angry, for indeed I heard Allah's Messenger (S) saying: 'That is the seat of Ash-Shaitan
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — 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. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Ahmad Muhammad Shakir, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 2:236