‏الصيام : Hadeeth No:2607 'Imran b. Husain (Allaah be pleased with them) reported Allaah's Messenger (may peace he upon him) having said to him or to someone else: Did you fast in the middle of Sha'ban? He said: No. Thereupon he (the Prophet) said: If you did not observe fast, then you should observe fast for two days....

‏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....