‏الطلاق : Hadeeth No:3494 Ibn Abbas (Allaah be pleased with them) reported about (declaring of one's woman) unlawful as an oath which must be atoned, and Ibn 'Abbas said: Verily, there is in the Messenger of Allaah (sallAllaahu alayhi wa sallam) a model pattern for you....

‏الصيام : Hadeeth No:2551 This hadith is reported on the authority of Yahya with the same chain of transmitters but no mention is made of the duty to the Messenger of Allaah (sallAllaahu alayhi wa sallam)....