Volume 9 · Book 92 · Hadith 414
Narrated Al-Mughira bin Shu'ba: The Prophet said, "A group of my follower swill remain predominant (victorious) till Allah's Order (the Hour) comes upon them while they are still predominant (victorious)."
— Sahih Bukhari, Volume 9, Book 92: Holding Fast to the Qur'an and Sunnah, Hadith #414