Arabic (Original)
حَدَّثَنَا عَبْدُ الرَّحْمَنِ عَنْ سُفْيَانَ عَنْ أَبِيهِ عَنْ عَبَايَةَ بْنِ رِفَاعَةَ قَالَ أَخْبَرَنِي رَافِعُ بْنُ خَدِيجٍ قَالَ سَمِعْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقُولُ الْحُمَّى مِنْ فَوْرِ جَهَنَّمَ فَأَبْرِدُوهَا بِالْمَاءِ.
English Translation
Abd al-Rahman narrated to us, from Sufyan, from his father, from Abaya b. Rifa'a, who said: Rafi' b. Khadij informed me: I heard the Messenger of Allah (peace and blessings be upon him) say: "Fever is from the exhalation of Hell, so cool it down with water."