Hadithcore
Mishkat al-Masabih, 1539

‘A’isha said she never saw anyone suffering severer pain than God’s messenger. (Bukhari and Muslim.)

وَعَنْ عَائِشَةَ رَضِيَ اللَّهُ عَنْهَا قَالَتْ: مَا رَأَيْتُ أَحَدًا الْوَجَعُ عَلَيْهِ أَشَدُّ مِنْ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ

References1 variant
In-Book Reference
Book 5, Hadith 17