مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3009
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that When the Prophet (ﷺ) walked, he walked energetically, with no sign of laziness in (his manner of walking).
Musnad Ahmad 3033Saheeh]