مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1990
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn "Abbas said: The Messenger of Allah (ﷺ) said: "There is no migration after the conquest, but there is jihad and good intentions, and if you are asked to mobilize then do so."
Musnad Ahmad 1991Sahih (Darussalam) [ al-Bukhari (2783) and Muslim(1383)]