مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2742
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) that a Bedouin came to the Prophet (ﷺ) and spoke eloquently and the Prophet (ﷺ) said: “In eloquence there is (an impact like that of) magic and in some poetry there is wisdom."
Musnad Ahmad 2761Saheeh because of corroborating evidence]