Hasan al-Hulwānī narrated to us, he said, I heard Shabābah say: ‘Abd ul-Quddūs was narrating to us saying,‘Suwayd bin Aqalah said…’ Muslim said, I heard Ubayd Allah bin Umar al-Qawārīrī saying, I heard Hammād bin Zayd saying to a man after he sat with Mahdī bin Hilāl for days: ‘What is this salty well ’.
Sahih Muslim · Introduction