مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3223
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn Abbas (رضي الله عنه) said: A man came to the Prophet (ﷺ) and started talking to him, and he said: What Allah wills and you will. He said: "Are you making me equal to Allah? What Allah alone wills.”
Musnad Ahmad 3247Saheeh because of corroborating evidence]