"I heard Abu Saeed Al-Khudri say: 'The Messenger of Allah said: Whoever fasts one day in the cause of Allah will separate his face from the fire by (a distance of) seventy autumns."'

قَالَ رَسُولُ اللَّهِ ﷺ مَنْ صَامَ يَوْمًا فِي سَبِيلِ اللَّهِ ﷻ بَاعَدَهُ اللَّهُ عَنِ النَّارِ سَبْعِينَ خَرِيفًا