I heard the Messenger of Allah (ﷺ) say: A group of people from my Umma will continue to fight In defence of truth and remain triumphant until the Day of judgment.
Sahih Muslim Book 33, Hadith 249
← Previous Hadith This religion will continue to exist, and a group of people from the Muslims will continue to fight for its protection until the Hour is established.

Sahih Muslim Book 33, Hadith 248 Next Hadith → I heard Mu'awiya say (while delivering a sermon from the pulpit) that he heard the Messenger of Allah (ﷺ) say: A group of people from my Umma will continue to obey Allah's Command, and those who desert or oppose them shall not be able to do them any harm. They will be dominating the peeple until Allah's Command is executed (i. e. Resurrection is established).

Sahih Muslim Book 33, Hadith 250