Sahih Bukhari · Hadith 5115
Virtues of the Qur'an - كتاب فضائل القرآن
حدثنا أبو النعمان، حدثنا حماد، عن أبي عمران الجوني، عن جندب بن عبد الله، عن النبي صلى الله عليه وسلم قال " اقرءوا القرآن ما ائتلفت قلوبكم، فإذا اختلفتم فقوموا عنه ".
Narrated `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).
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).