‏الصلاة : Hadeeth No:1722 'Abdullah b. 'Umar reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: The example of a man who has memorised the Qur'an is like that of a hobbled camel. If he remained vigilant, he would be able to retain it (with him), and if he loosened the hobbled camel it would escape....

‏الحج : Hadeeth No:3221 Abu Salama b. Abd al-Rabman reported: 'Abd al-Rabman b. Abu Sa'id al-Khudri (Allaah be pleased with him) happened to pass by me and I said to him. How did you hear your father making mention of the mosque founded on Piety? He said: My father said: I went to Allaah's Messenger (sallAllaahu alayhi wa ...