Hadith 6:1122
Abu Bakr narrated to us, he said: al-Thaqafi narrated to us, from Ayyub, from Muhammad, from al-Hasan ibn Ali and Ibn Abbas, that they both saw a funeral procession. One of them stood up, and the other sat down. The one who stood up said to the one who did not stand up, "Did the Messenger of Allah (may Allah bless him and grant him peace) not stand up?" He said, "Yes." Then he sat down.
حدثنا أبو بكر قال حدثنا الثقفي عن أيوب عن محمد عن الحسن بن علي وبن عباس انهما رأيا جنازة فقام أحدهما وقعد الآخر فقال الذي قام للذي لم يقم ألم يقم رسول الله صلى الله عليه وسلم قال بلى ثم قعد