The Prophet (ﷺ) heard a man (reciting Qur'an) in the Mosque, and he said, "May Allah bestow His Mercy upon him. No doubt, he made me remember such-and such Verses of such-and-such Sura which I dropped (from my memory). Narrated Aisha: The Prophet (ﷺ) performed the Tahajjud prayer in my house, and then he heard the voice of `Abbad who was praying in the Mosque, and said, "O `Aisha! Is this `Abbad's voice?" I said, "Yes." He said, "O Allah! Be merciful to `Abbad!"
Sahih al-Bukhari Book 52, Hadith 19
← Previous Hadith The Prophet (ﷺ) said thrice, "Should I inform you out the greatest of the great sins?" They said, "Yes, O Allah's Messenger (ﷺ)!" He said, "To join others in worship with Allah and to be undutiful to one's parents." The Prophet (ﷺ) then sat up after he had been reclining (on a pillow) and said, "And I warn you against giving a false witness, and he kept on saying that warning till we thought he would not stop. (See Hadith No. 7, Vol. 8)

Sahih al-Bukhari Book 52, Hadith 18 Next Hadith → The Prophet (ﷺ) said, "Bilal pronounces the Adhan when it is still night (before dawn), so eat and drink till the next Adhan is pronounced (or till you hear Ibn Um Maktum's Adhan)." Ibn Um Maktum was a blind man who would not pronounce the Adhan till he was told that it was dawn.

Sahih al-Bukhari Book 52, Hadith 20