‏الصلاة : Hadeeth No:795 This hadith has been narrated on the authority of Mansur with the same chain of transmitters and he made a mention of this:" Then he may choose any supplication which pleases him or which he likes."...

‏الصلاة : Hadeeth No:1727 Abu Musa al-Ash'ari reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: Keep refreshing your knowledge of the Qur'an, for I swear by Him in Whose Hand is the life of Mahammad that it is more liable to escape than camels which are hobbled....