مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2249
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: "I have been given five things that were not given to anyone before me, and I am not saying it to boast. I have been sent to all people, red and black, and there is no one, red or black, who joins my ummah, but he will be one of them. And the earth has been made a place of prayer for me."
Musnad Ahmad 2256Hasan; this is a da’eef isnad because of the weakness of Ali