Allah by His Greatest Name, by which, when He is invoked, He answers, and by which, when He is asked, He gives.” Abū Dāwūd and al-Nasā’ī added at the end: “O Ever-Living, O Sustainer of all.” 1.
Ibn Mājah, al-Hākim, and others narrated from Abū Umāmah, may Allah be pleased with him, that the Messenger of Allah, may Allah bless him and grant him peace, said: “Allah’s Greatest Name, by which, when He is invoked, He answers, is found in three surahs of the Quran: al-Baqarah, Āl Imrān, and Tā Hā.” 2.
Imam Ahmad, Abū Dāwūd, and al-Tirmidhī narrated from Asmā bint Yazīd, may Allah be pleased with her, that the Prophet, may Allah bless him and grant him peace, said: “Allah’s Greatest Name is in these two verses: ‘Your God is One God. There is no deity worthy of worship except Him, the Most Compassionate, the Most Merciful’ 3, and at the opening of Āl Imrān: ‘Alif-Lām-Mīm. Allah—there is no deity worthy of worship except Him, the Ever-Living, the Sustainer of all.’” 4.
The compilers of the Sunan collections and Ibn Hibbān narrated from Buraydah, may Allah be pleased with him, who said: The Prophet, may Allah bless him and grant him peace, heard a man say: “O Allah, I ask You by my testimony that You are Allah. There is no deity worthy of worship but You—the One, the Eternal Refuge, who neither begets nor is born, and to whom none is comparable.” The Messenger of Allah, may Allah bless him and grant him peace, said: “He has indeed asked Allah by His Greatest Name