مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3312
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: “There is no Hijrah after the conquest, but there is jihad and intention, and if you are asked to mobilise then do so."
Musnad Ahmad 3335lts isnad is saheeh, al-Bukhari (2783) and Muslim (1353)]