Isma'il bin 'Umar إسماعيل بن عمر · The Book of the Masjids

"By Allah, I know what it is made of. I saw it the first day it was set up and the first day the Messenger of Allah (ﷺ) sat on it. The Messenger of Allah (ﷺ) sent word to so-and-so" - a woman whose name Sahl mentioned - "telling her: 'Tell your carpenter slave to make me something of wood that I can sit on when I speak to the people.' So she told him, and he made it from…