Musnad Ahmad 1153:1284

'Abd al-Razzaq narrated to us, from Ma'mar, from Qatadah, from Zurarah, from Sa'd ibn Hisham, who said: I asked 'Aishah and said: "Inform me about the character of the Messenger of Allah, may Allah bless him and grant him peace." She said: "His character was the Qur'an."