Ja'far bin Maymun al-Tamimi جعفر بن ميمون التميمي بياع الأنماط · General Behavior (Kitab Al-Adab)

Aban ibn Uthman said: I heard Uthman ibn Affan (his father) say: I heard the Messenger of Allah (ﷺ) say: If anyone says three times: "In the name of Allah, when Whose name is mentioned nothing on Earth or in Heaven can cause harm, and He is the Hearer, the Knower" he will not suffer sudden affliction till the morning, and if anyone says this in the morning, he will not suffer sudden affliction till the evening. Aban was afflicted…