‏البر والصلة والآداب‏ : Hadeeth No:6260 Nu'man b. Bashir reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: The believers are like one person; if his head aches, the whole body aches with fever and sleeplessness....

‏صفة القيامة والجنة والنار‏ : Hadeeth No:6775 Shaqiq reported: We were sitting at the door of Abdullah (b. Mas'ud) waiting for him (to come out and deliver a sermon to us). It was at this time that there happened to pass by us Yazid b. Mu'awiya an-Nakha'i. We said: Inform him ('Abdullah b. Mas'ud) of our presence here. He went in and Abdullah b...