"There is nothing for this chapter which is better than this hadith, even though it is Mursal. And Al-A'mash reported this Hadith from Habib bin Abi Thabit, from 'Urwah, from 'Aishah. Yahya Al-Qattan said: "This is the Hadith of Habib from 'Urwah, from 'Aishah. And the Hadith of Habib from 'Urwah, from 'Aishah: "She prays even if blood drips on the mat" is nothing.
"I saw Abu Hurairah performing Wudu' on the roof of the Masjid ans he said: 'I ate some tough cheese, so I performed Wudu' because of that. I heard the Messenger of Allah (ﷺ) commanding us to do Wudu' from that which has been touched by fire.'"
"Should I perform Wudu' after eating food that I see in the Book of Allah is permissible because fire has touched it?" Abu Hurairah gathered some pebbles and said: "I bear witness (as many times as) the number of these pebbles, that the Messenger of Allah (ﷺ) said: 'Perform Wudu' from that which has been touched by fire.'"