‏الطلاق : Hadeeth No:3495 Ibn Abbas (Allaah be pleased with them) reported: When a man declares his wife unlawful for himself that is an oath which must be atoned, and he said: There is in the Messenger of Allaah (sallAllaahu alayhi wa sallam) a noble pattern for you....

‏الجهاد والسير‏ : Hadeeth No:4463 A similar tradition has been narrated on the authority of Hisham b. Hassan through a different chain of transmitters....