‏الإمارة : Hadeeth No:4590 It has been narrated on the authority of Yazid b. Abu Ubaid (the freed slave of Salama b. al-Akwa') who said: 1 asked Salama as to what effect he had sworn fealty to the Messenger of Allaah (sallAllaahu alayhi wa sallam) on the Day of Hudaibiya. He said: To the effect that we will die fighting....

‏الصيام : Hadeeth No:2369 'Abdullah b. Umar (Allaah be pleased with both of them) reported Allaah's Measenger (sallAllaahu alayhi wa sallam) as saying: When you see the new moon, observe fast, and when you see it (again) then break it, and if the sky is cloudy for you, then calculate it....