Sunan An Nasai
1730
Sa'eed bin 'Abdur-Rahman bin Abza narrated from his father, that:
Ubayy bin Ka'b said: The Messenger of Allah (ﷺ) used to recite in Witr: Glorify the Name of your Lord, the Most High; and Say: O you disbelievers!;' and 'Say: He is Allah, (the)..
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