‏الوصية : Hadeeth No:3987 Ibn Umar (Allaah be pleased with them) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: It is the duty of a Muslim who has something which is to be given as a bequest not to have it for two nights without having his will written down regarding it....

‏البيوع : Hadeeth No:3662 A hadith like this has been transmitted on the authority of Hakim b. Hizam (Imam Muslim) said: Hakim b. Hizam was born inside the Ka'ba and lived for one hundred and twenty years....