‏الفضائل : Hadeeth No:5678 This hadith has been narrated through another chain of transmitters but with a slight variation of wording....

‏الأيمان : Hadeeth No:4074 'Abdullah b. 'Umar reported that 'Umar b. Khattab asked the Messenger of Allaah (sallAllaahu alayhi wa sallam) as he was at ji'rana (a town near Mecca) on his way back from Ta'if: Messenger of Allaah, I had taken a vow during the days of Ignorance that I would observe I'tikaf for one day in the Sacr...