(10) باب مَنْ لَقِيَ اللَّهَ بِالإِيمَانِ وَهُوَ غَيْرُ شَاكٍّ فِيهِ دَخَلَ الْجَنَّةَ وَحَرُمَ عَلَى النَّارِ
It is narrated on the authority of Humran that he heard Uthman saying this:
I heard the Messenger of Allah (ﷺ) uttering these words (as stated above).
Reference: Sahih Muslim 26 b
In-book reference: Book 1, Hadith 44
USC-MSA web (English) reference(deprecated numbering scheme): Book 1, Hadith 40