Acting upon ṣaḥīḥ li-dhātihi is obligatory. Wājib (واجب) here means required.
This is the general ruling on acting upon sound Hadith. Do not insert it as extra wording into the example.
The report describes the Prophet ﷺ reciting Sūrah al-Ṭūr. Its text does not say 'Sūrah al-Ṭūr must be recited in every Maghrib prayer'.
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Ṣaḥīḥ li-Dhātihi: A Bukhari Example and Its Ruling
Acting upon ṣaḥīḥ li-dhātihi is obligatory. Wājib (واجب) here means required.
This is the general ruling on acting upon sound Hadith. Do not insert it as extra wording into the example.
The report describes the Prophet ﷺ reciting Sūrah al-Ṭūr. Its text does not say 'Sūrah al-Ṭūr must be recited in every Maghrib prayer'.