Sahih Muslim 4829
صحيح مسلم#4829SahihIt has been narrated on the authority of Ibn 'Abbas that the Messenger of Allah (ﷺ) said on the day of the Conquest of Mecca:There is no Hijra now, but (only) Jihad (fighting for the cause of Islam) and sincerity of purpose (have great reward) ; when you are asked to set out (on an expedition undertaken for the cause of Islam) you should (readily) do so
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 33:125