al-Qasim bin 'Abdur Rahman القاسم بن عبد الرحمن بن عبد الله · The Book of the Sunnah

The Messenger of Allah (ﷺ) said: "A group among my Ummah will continue to follow the truth and prevail, and those who oppose them will not be able to harm them, until the command of Allah comes to pass."