lying is the root of every indecency the source of every evil and the source of the hatred of allah almighty. abu bakr alsiddiq may allah be pleased with him said a believer is characterized by all traits except treachery and lying. the messenger of allah may allah bless him and grant him peace said there are three traits in someone who is a hypocrite he who breaks his promise lies when he speaks and betrays when he is entrusted with something.
فالكذب أصل كل فاحشة، وجامع كل سوء، وجالب لمقت الله عز وجل. وعن ابي بكر الصديق رضي الله عنه قال كل الخلال يطبع عليها المؤمن إلا الخيانة والكذب. وعن رسول الله صلى الله عليه وسلم أنه قال ثلاث من كن فيه كان منافقا من إذا وعد أخلف، وإذا حدث كذب، وإذا اؤتمن خان .