“Mention of fever was made in the presence of the Messenger of Allah ﷺ, and a man cursed it. The Prophet ﷺ said: ‘Do not curse it, for it erases sin as fire removes filth from iron.’”  

ذُكِرَتِ الْحُمَّى عِنْدَ رَسُولِ اللَّهِ ﷺ فَسَبَّهَا رَجُلٌ فَقَالَ النَّبِيُّ ﷺ لاَ تَسُبَّهَا فَإِنَّهَا تَنْفِي الذُّنُوبَ كَمَا تَنْفِي النَّارُ خَبَثَ الْحَدِيدِ  

“Be of good cheer, for Allah says: ‘It is My fire which I have causes to overwhelm My believing slave in this world, to be his share of the Fire in the Hereafter.”  

عَنِ النَّبِيِّ ﷺ أَنَّهُ عَادَ مَرِيضًا وَمَعَهُ أَبُو هُرَيْرَةَ مِنْ وَعْكٍ كَانَ بِهِ فَقَالَ رَسُولُ اللَّهِ ﷺ أَبْشِرْ فَإِنَّ اللَّهَ يَقُولُ هِيَ نَارِي أُسَلِّطُهَا عَلَى عَبْدِيَ الْمُؤْمِنِ فِي الدُّنْيَا لِتَكُونَ حَظَّهُ مِنَ النَّارِ فِي الآخِرَةِ