(28) باب مَنْ أَمَرَ بِإِنْجَازِ الْوَعْدِ
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "The signs of a hypocrite are three: (1) whenever he speaks, he tells a lie, (2) whenever he is entrusted, he proves to be dishonest, (3) whenever he promises, he breaks his promise.
Reference: Sahih al-Bukhari 2682
In-book reference: Book 52, Hadith 43
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 48, Hadith 847