Sahih Muslim - صحيح مسلم
45. The Book of Virtue, Enjoining Good Manners, and Joining of the Ties of Kinship - كتاب البر والصلة والآداب
14) Chapter: The Reward Of The Believer For Whatever Befalls Him Of Sickness, Grief And The Like, Even A Thorn That Pricks Him
'A'isha reported:
I heard Allah's Messenger (ﷺ) as saying: There is nothing (in the form of trouble) that comes to a believer even if it is the pricking of a thorn that there is decreed for him by Allah good or his sins are obliterated.
14) باب ثَوَابِ الْمُؤْمِنِ فِيمَا يُصِيبُهُ مِنْ مَرَضٍ أَوْ حُزْنٍ أَوْ نَحْوِ ذَلِكَ حَتَّى الشَّوْكَةِ يُش
حَدَّثَنِي حَرْمَلَةُ بْنُ يَحْيَى، أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ وَهْبٍ، أَخْبَرَنَا حَيْوَةُ، حَدَّثَنَا ابْنُ الْهَادِ،
عَنْ أَبِي بَكْرِ بْنِ حَزْمٍ، عَنْ عَمْرَةَ، عَنْ عَائِشَةَ، قَالَتْ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم
يَقُولُ . " مَا مِنْ شَىْءٍ يُصِيبُ الْمُؤْمِنَ حَتَّى الشَّوْكَةِ تُصِيبُهُ إِلاَّ كَتَبَ اللَّهُ لَهُ بِهَا حَسَنَةً أَوْ حُطَّتْ
عَنْهُ بِهَا خَطِيئَةٌ "