‏الصلاة : Hadeeth No:1881 Ka'b b. 'Ujra reported that he entered the mosque and saw Abd al-Rahman b. Umm Hakam delivering the sermon in a sitting posture. Upon this he said: Look at this wretched person; he delivers the sermon while sitting, whereas Allaah said:" And when they see merchandise or sport, they break away to it ...

‏فضائل الصحابة‏ : Hadeeth No:5907 A'isha, the wife of Allaah's Prophet (mav sallAllaahu alayhi wa sallam), and Uthman both reported that Abu Bakr sought permission from Allaah's Messenger (sallAllaahu alayhi wa sallam) for entrance (in his apartment) as he had been lying on his bed covered with the bed-sheet of A'isha, and he gave p...