‏البر والصلة والآداب‏ : Hadeeth No:6300 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: The worst amongst the people is the double-faced one; he comes to some people with one face and to others with the other face....

‏الحج : Hadeeth No:3136 Al-'Ala' b. al-Hadrami reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: It is only for three nights that a Muhajir should stay at Mecca after the completion of the rituals of Hajj....