From Sahih Muslim (Hadith 6433):
Abu Huraira reported Allah's Messenger (ﷺ) as saying:To the tribe of Aslam Allah has granted safety and to the tribe of Ghifar Allah has granted pardon. Verily it is not I that say this, but (it is) Allah the Exalted and Glorious. (who) says this
Reference: Muslim 6433