Sahih Bukhari
Invocations
Volume: 008 / Book Number: 075 / Hadith Number: 347
Narrated 'Aisha:
The Prophet heard a man reciting (the Qur'an) in the mosque. He said," May Allah bestow His Mercy on him, as he made me remember such and-such Verse which I had missed in such-and-such Sura."