مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2682
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) said: "Dignified bearing..." and he mentioned a similar report.
Musnad Ahmad 2699Hasan because of corroborating evidence]