‏البيوع : Hadeeth No:3657 This hadith has been narrated on the authority of Ibn 'Umar (Allaah be pleased with them) through another chain of transmitters....

‏الصيام : Hadeeth No:2606 Abu Qatada Ansari (Allaah be pleased with him) reported that Allaah's Massenger (sallAllaahu alayhi wa sallam) was asked about fasting on Monday, whereupon he said: It is (the day) when I was born and revelation was sent down to me....