مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1778
Musnad Bani Hashim (Hadeeth of al-'Abbas bin 'Abdul-Muttalib from the Prophet)
It was narrated from al-"Abbas bin "Abdul-Muttalib that he heard the Messenger of Allah (ﷺ)say: "He has tasted faith who is content with Allah as his Lord, Islam as his religion and Muhammad as his Messenger.”
Musnad Ahmad 1779Sahih (Darussalam) [ Muslim (34)]