(372) بَابُ حَزْنٍ
Sa'id ibn al-Musayyab reported that his grandfather went to theProphet, may Allah bless him and grant him peace. He asked, "What is yourname?" "Hazn (rough)," he replied. The Prophet said, "You are Sahl (easy)."He said, "I will not change a name which my father gave me." Ibn al-Musayyabsaid, "Roughness (hazuna) remained among us afterwards."
Reference: Al-Adab Al-Mufrad 841
In-book reference: Book 34, Hadith 31
English translation: Book 34, Hadith 841