‏الإيمان : Hadeeth No:201 Thabit b. Dahhak reported that he pledged allegiance to the Messenger of Allaah (sallAllaahu alayhi wa sallam) under the Tree, and verily the Messenger of Allaah (sallAllaahu alayhi wa sallam) observed: He who took an oath of a religion other than Islam, in the state of being a liar, would became so...

‏صفة القيامة والجنة والنار‏ : Hadeeth No:6702 This hadith has been narrated on the authority of A'mash with the same chain of transmitters but with a slight variation of wording....