‏الصلاة : Hadeeth No:772 Ubada b. as-Samit reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said: He who does not recite Umm al-Qur'an is not credited with having observed the prayer....

‏البيوع : Hadeeth No:3615 'Abdullah (b. 'Umar) (Allaah be pleased with him) said that Allaah's Messenger (sallAllaahu alayhi wa sallam) forbade the transaction called habal al-habala....