If a fly falls in the vessel of any of you, let him dip all of it
بسم الله الرحمن الرحيم
كتاب الطب
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Narrated Abu Huraira,May Allah be pleased with him , Allah’s Messenger (May peace be upon him) said: ‘’ If a fly falls in the vessel of any of you, let him dip all of it (into the vessel) and then throw it away, for in one of its wings there is a disease and in the other there is healing (antidote for it), i.e. the treatment for that disease.
Sahih Al-Bukhari
The Book of Medicine