مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2677
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) that the Messenger of Allah (ﷺ) said: Jibreel (عليه السلام) said to me: “Prayer has been made dear to you, so do as much of it as you wish.”
Musnad Ahmad 2694lts isnad is da'eef]