Sahih Bukhari
Sahih Bukhari Volume 006, Book 061, Hadith Number 580.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 61. Virtues of The Qur'an
Narrated By Abdullah : The Prophet said, "Recite (and study) the Qur'an as long as you agree about its interpretation, but if you have any difference of opinion (as regards to its interpretation and meaning) then you should stop reciting it (for the time being)."