‏الصلاة : Hadeeth No:1988 Abu Mas'ud reported that the Messenger of Allaah (sallAllaahu alayhi wa sallam) said: Verily the sun and the moon do not eclipse on account of the death of any one of the people, but they are the two signs among the signs of Allaah. So when you see it, stand up and observe prayer....

‏الجهاد والسير‏ : Hadeeth No:4311 It is narrated on the authority of Jabir that the Messenger of Allaah (sallAllaahu alayhi wa sallam) said: War is a stratagem....