‏النكاح : Hadeeth No:3337 Ibn Umar (Allaah be pleased with him) reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) said: When any one of you is invited to a feast, he should attend it....

‏الجهاد والسير‏ : Hadeeth No:4313 It has been narrated on the authority of Abu Huraira that the Messenger of Allaah (sallAllaahu alayhi wa sallam) said: Do not desire an encounter with the enemy; but when you encounter them, be firm....