The narrator is a Companion, and al-Ḥākim declared the chain authentic.
“al-ẓū”—with the lām pronounced with a kasrah and the ẓāʾ doubled—means: keep to this supplication and repeat it often.
1500 – Abū Umāmah, may Allah be pleased with him, said: The Messenger of Allah ﷺ made a lengthy supplication, none of which we were able to memorize. We said, “Messenger of Allah, you have invoked Allah with many words that we could not retain.” He replied, “Shall I guide you to something that gathers all of that? Say:
‘O Allah, I ask You for the best of what Your Prophet Muḥammad ﷺ asked You for, and I seek refuge in You from the worst of what Your Prophet Muḥammad ﷺ sought refuge from. You are the One whose help is sought, the conveyance is upon You, and there is no might nor power except by Allah.’”
Narrated by al-Tirmidhī, who said: it is a ḥasan ḥadīth.
1501 – Ibn Masʿūd, may Allah be pleased with him, said: Among the supplications of the Messenger of Allah ﷺ was:
“O Allah, I ask You for those things that bring about Your mercy (1), for the means to obtain Your forgiveness, for safety from every sin, for a share of every righteous deed, for success in attaining Paradise, and for deliverance from the Fire.”
Narrated by al-Ḥākim Abū ʿAbd Allah, who said: it is authentic according to the criteria of Muslim (2).
251 – Chapter: The Virtue of Supplicating for One’s Brother in His Absence
The Exalted says: “And those who came after them say, ‘Our Lord, forgive us and our brothers who preceded us in faith.’” (Surah al-Hashr, 59:10)
And He says: “So ask forgiveness for your sin and for the believing men and believing women.” (Surah Muḥammad, 47:19)
And He, the Exalted, also said, informing us