Sahih al-Bukhari 3607

Arabic

حَدَّثَنِي مُحَمَّدُ بْنُ الْمُثَنَّى، قَالَ حَدَّثَنِي يَحْيَى بْنُ سَعِيدٍ، عَنْ إِسْمَاعِيلَ، حَدَّثَنِي قَيْسٌ، عَنْ حُذَيْفَةَ ـ رضى الله عنه ـ قَالَ تَعَلَّمَ أَصْحَابِي الْخَيْرَ وَتَعَلَّمْتُ الشَّرَّ‏.‏

English translation

Narrated Hudhaifa:My companions learned (something about) good (through asking the Prophet) while I learned (something about) evil

Reference: Sahih al-Bukhari 3607, Book of Virtues and Merits of the Prophet (pbuh) and his Companions. English translation by Dr. Muhammad Muhsin Khan.