Sahih Adab al-Mufrad

It is narrated from Aban bin Uthman that I heard Sayyiduna Uthman (may Allah be pleased with him) saying that I heard the Prophet (peace and blessings be upon him) say: "Whoever says three times every morning and every evening: «بسم الله الذى لا يضر مع اسمه شيء فى الأرض ولا فى السماء وهو السميع العليم», 'In the name of Allah, with whose name nothing in the earth or the sky can cause harm, and He is the All-Hearing, All-Knowing,' nothing will harm him." He (Aban) had suffered paralysis on one side. The listener began to look at him, and he realized it. He said: The hadith is exactly as I have narrated to you, but on that day I did not recite this supplication so that Allah's decree could take effect.