Hadith #4815 (Sahih Muslim)
Book: The Book on Government
Narrator(s): al-Mughira bin 'Abdullah المغيرة بن عبد الله بن أبي عقيل
Grade: Sahih

I heard the Messenger of Allah (ﷺ) say: A group of people from my Umma will continue to be triumphant over the people until the Command of Allah overtakes them while they are still triumphant.

Source: https://parallelquran.com/hadith/sahih-muslim-4815/