Sahih Bukhari
Witnesses
Volume: 003 / Book Number: 048 / Hadith Number: 847
Narrated Abu Huraira:
Allah's Apostle 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.