Sahih al-Bukhari 4325
صحيح البخاري#4325SahihNarrated `Abdullah bin `Amr:When Allah's Messenger (ﷺ) besieged Taif and could not conquer its people, he said, "We will return (to Medina) If Allah wills." That distressed the Companions (of the Prophet (ﷺ) and they said, "Shall we go away without conquering it (i.e. the Fort of Taif)?" Once the Prophet (ﷺ) said, "Let us return." Then the Prophet said (to them), "Fight tomorrow." They fought and (many of them) got wounded, whereupon the Prophet (ﷺ) said, "We will return (to Medina) tomorrow if Allah wills." That delighted them, whereupon the Prophet (ﷺ) smiled. The sub-narrator, Sufyan said once, "(The Prophet) smiled
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 64:355