Yūsuf ibn Yaʿqūb al-Ṣaffār narrated to us, ʿAlī ibn ʿAththām narrated to me, from Suʿayr ibn al-Khims, from Mughīrah, from Ibrāhīm, from ʿAlqamah, from ʿAbd Allāh, who said: The Prophet ﷺ was asked about waswasa (whispering insinuations). He said: "That is the very essence of faith."