Any Muslim who loses three of his children will not be touched by the Fire except in fulfillment of the path. [Al-Bukhari and Muslim]
«لا يَمُوتُ لأحَدٍ من المسلمين ثلاثة من الوَلَد فتَمسُّه النَّار إلا تَحِلَّة القَسَم». [متفق عليه]
