Sahih al-Bukhari 2749
صحيح البخاري#2749SahihNarrated Abu Huraira:The Prophet (ﷺ) said, "The signs of a hypocrite are three: Whenever he speaks he tells a lie; whenever he is entrusted he proves dishonest; whenever he promises he breaks his promise
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: 55:12