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. (Using translation from Muslim 2516)
أَنَّ رَسُولَ اللهِ ﷺ قَالَ أَسْلَمُ سَالَمَهَا اللهُ وَغِفَارٌ غَفَرَ اللهُ لَهَا أَمَا وَاللهِ مَا أَنَا قُلْتُهُ وَلَكِنَّ اللهَ قَالَهُ