Jami` at-Tirmidhi 1635
جامع الترمذي#1635Sahihحَدَّثَنَا إِسْحَاقُ بْنُ مَنْصُورٍ الْمَرْوَزِيُّ، أَخْبَرَنَا حَيْوَةُ بْنُ شُرَيْحٍ الْحِمْصِيُّ، عَنْ بَقِيَّةَ، عَنْ بَحِيرِ بْنِ سَعْدٍ، عَنْ خَالِدِ بْنِ مَعْدَانَ، عَنْ كَثِيرِ بْنِ مُرَّةَ، عَنْ عَمْرِو بْنِ عَبَسَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " مَنْ شَابَ شَيْبَةً فِي سَبِيلِ اللَّهِ كَانَتْ لَهُ نُورًا يَوْمَ الْقِيَامَةِ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ غَرِيبٌ . وَحَيْوَةُ بْنُ شُرَيْحِ ابْنُ يَزِيدَ الْحِمْصِيُّ .
Narrated Amr bin 'Abasah: That the Messenger of Allah (ﷺ) said: "Whoever develops some gray hair in the cause of Allah, it shall be a light for him in the Day of Judgement. [Abu 'Eisa said:] This Hadith is Hasan Sahih Gharib. As for Haiwah bin Shuraih, (the remainder of his name is) Ibn Yazid Al-Himsi
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: 22:17