Wikipedia mentioned the following in one of its articles:

(But there is a story mentioned by Dr. Tamer Badr, the Muslim historian, in his book “Unforgettable Leaders”)

I am a Muslim, yes, but I am not a doctor and I am not a historian. 
How do I know them?

Article link

https://ar.wikipedia.org/wiki/%D9%85%D8%B9%D8%B1%D9%83%D8%A9_%D8%A3%D9%86%D9%82%D8%B1%D8%A9?fbclid=IwY2xjawJSG0VleHRuA2FlbQIxMAABHQqkLtQhBNrIZu5CW7tAJQGVfPuZuUMn93PL7jJ-V2WSYkvDTNkCEL-6mw_aem_l38__oVsy6lzePMXHB96FA