Muhammad ibn 'Umar al-Rūmī, who said: 'Ubayd Allāh ibn Sa'īd—Abū Muslim, al-A'mash's guide—narrated to us, from Sālih ibn Hayyān, from Ibn Buraydah, from his father, who attributed the following statement to the Prophet:

“The Eternal Refuge is the One who is not hollow.”

'Alī ibn 'Abd al-'Azīz narrated to us, saying: We were told by