From Sahih Bukhari (Hadith 3116):
Narrated Muawiya:Allah's Messenger (ﷺ) said, "If Allah wants to do good for somebody, he makes him comprehend the Religion (i.e. Islam), and Allah is the Giver and I am Al-Qasim (i.e. the distributor), and this (Muslim) nation will remain victorious over their opponents, till Allah's Order comes and they will still be victorious
Reference: Bukhari 3116