‏العلم : Hadeeth No:6445 Jundub (i. e. Ibn 'Abdullah) reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) said: Recite the Qur'an as long as your hearts agree to do so and when you find variance between them, then stand up....

‏الصيام : Hadeeth No:2516 A hadith like this has been narrated on the authority of Ibn Shihab through the same chain of transmitters....