‏الصلاة : Hadeeth No:1726 Ibn Mas'ud reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Wretched is the man who says: I forgot such and such a sura, or I forget such and such a verse, but he has been made to forget....

‏البيوع : Hadeeth No:3781 Ka'b b. Malik reported that he made a demand for the payment of the debt that Ibn Abu Hadrad owed to him. This hadith is narrated through another chain of transmitters and (the words are):" He had to get the loan from Abdullah b. Hadrad al-Aslami. He met him and pressed him for payment. There was an...