‏الصلاة : Hadeeth No:1378 Abu Sha'tha' al-Muharibi reported on the authority of his father, who said: I heard it from Abu Huraira that he saw a person getting out of the mosque after the call to prayer had been announced. Upon this he remarked: This (man) disobeyed Abu'l-Qasim (sallAllaahu alayhi wa sallam)....

‏السلام : Hadeeth No:5411 Ibn 'Umar reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: None should make one'& brother stand and then sit at his place (and it was common with) Ibn Umar that when any person stood in the company (with a view to making room for him) he did not sit there....