It is narrated from Hazrat Abu Huraira (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: No person can be a complete believer until he gives up lying even in jest, and abandons quarrelling even when he is truthful.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 8766
Hadith Gradingحکم دارالسلام:إسناده ضعيف، منصور مجهول، ومكحول لم يسمع من أبى هريرة