TIRMIDHI 2590:
from Abū Saʿīd —
"This fire of yours is one part from seventy parts of the fire of Hell, each part of it is like the heat of this one."
الترمذي ٢٥٩٠:
عن ابو سعيد —
عَنِ النَّبِيِّ ﷺ قَالَ نَارُكُمْ هَذِهِ جُزْءٌ مِنْ سَبْعِينَ جُزْءًا مِنْ نَارِ جَهَنَّمَ لِكُلِّ جُزْءٍ مِنْهَا حَرُّهَا