Jami` at-Tirmidhi, Volume 4, Book 37, Hadith 2604 (DarusSalam) ⓘ
An-Numan bin Bashir narrated that the Messenger Of Allah (s.a.w) said: "Indeed the person among the inhabitants of the Fire punished least [on the Day of Judgment] is a man who has two coals beneath his feet, which cause his brain to boil."
حَدَّثَنَا مَحْمُودُ بْنُ غَيْلاَنَ، حَدَّثَنَا وَهْبُ بْنُ جَرِيرٍ، عَنْ شُعْبَةَ، عَنْ أَبِي إِسْحَاقَ، عَنِ النُّعْمَانِ بْنِ بَشِيرٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " إِنَّ أَهْوَنَ أَهْلِ النَّارِ عَذَابًا يَوْمَ الْقِيَامَةِ رَجُلٌ فِي إِخْمَصِ قَدَمَيْهِ جَمْرَتَانِ يَغْلِي مِنْهُمَا دِمَاغُهُ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ . وَفِي الْبَابِ عَنِ الْعَبَّاسِ بْنِ عَبْدِ الْمُطَّلِبِ وَأَبِي سَعِيدٍ الْخُدْرِيِّ وَأَبِي هُرَيْرَةَ .
also referenced under: Hadith 2604 (Reference) & Book 39, Hadith 2808 (In-Book)