‏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 ...

‏الزكاة : Hadeeth No:2317 This hadith has been narrated on the authority of Jabir b. 'Abdullah through another chain of transmitters....