‏الإيمان : Hadeeth No:159 Anas narrated from the Prophet (sallAllaahu alayhi wa sallam) about the major sins. He (the Prophet) observed: Associating anyone with Allaah, disobedience to parents, killing a person and false utterance....

‏الأيمان : Hadeeth No:4113 This hadith has been narrated through another chain of transmitters (and the words are):" A person from among the Ansar willed away the freedom of six slaves of his at the time of his death."...