Narrator:Abu Sa‘īd al-Khudri
وَعَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَنْ صَامَ يَوْمًا فِي سَبِيلِ اللَّهِ بَعَّدَ اللَّهُ وَجْهَهُ عَنِ النَّارِ سَبْعِينَ خَرِيفًا»
Abu Sa‘id al-Khudri reported God’s messenger as saying, “If anyone fasts for a day while engaged in jihad, God will remove him* seventy years’ distance from hell.” *Literally, ‘his face’. (Bukhari and Muslim.)
Reported by Al-Bukhari (No. 2840), Muslim (No. 1153a, 1153c), At-Tirmidhi (No. 1623), An-Nasa’i (No. 2245, 2248, 2250, 2251, 2252, 2253), Ibn Majah (No. 1717), Ahmad (No. 10778, 11134, 11363) and Ad-Darimi (No. 2292). Cited in Mishkat al-Masabih (No. 2053).