‏العلم : Hadeeth No:6455 This hadith has been narrated on the authority of 'Abdullah (b. Mas'ud) and Abu Musa (al-Asha'ri) through other chains of transmitters....

‏الزكاة : Hadeeth No:2282 Anas reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: If the son of Adam were to possess two valleys of riches. he would long for the third one. And the stomach of the son of Adam is not filled but with dust. And Allaah returns to him who repents....