Sahih Muslim 212
صحيح مسلم#212SahihAbu Huraira reported that the Messenger of Allah (may peace and blessings be upon him) observed:There are three characteristics of a hypocrite: when he spoke he told a lie, when he made promise he acted treacherously, and when he was trusted he betrayed
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 1:118