‏الإيمان : Hadeeth No:80 The same hadith of the Prophet (may peace and blessings be upon him) has been reported by Abu Sa'id al-Khudri in connection with the story of Marwan....

‏الزهد والرقائق‏ : Hadeeth No:7130 The son of Abu Said al-Khudri reported on the authority of his father that Allaah's Messenger (sallAllaahu alayhi wa sallam) said: When one of you yawns, he should keep his mouth shut with the help of his hand, for it is the devil that enters therein....