Hadith #169
English (English)Whoever fasts for a day in Allah’s way, Allah will put between him and hell a trench as wide as the distance between the sky and the earth.
Reference: جامع الترمذي، أبواب فضائل الجهاد، باب ما جاء في فضل الصوم في سبيل الله، الحدیث 1624