Ayesha reported,

The Prophet ﷺ said, "When a believer falls ill, it purifies him just as a blacksmith's furnace removes the impurities from iron."

Azami 3416

Sahih

عن عائشة

عن النبي ﷺ قال: إذا اشتكى المؤمن أخلصه ذلك كما يخلص الكير خبث الحديد.

الأعظمي 3416صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Funerals
Chapter
Patience in tribulation and illness
Section
Reward of the believer for what afflicts him of illness, grief, or the like
Numbering
Jami al-Kamil 3416 (2nd edition)
Azami 3416