Mishkat al-Masabih
Mishkat al-Masabih 37
Arabic hadith text
وَعَنْ عُثْمَانَ رَضِيَ اللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَنْ مَاتَ وَهُوَ يَعْلَمُ أَنَّهُ لَا إِلَهَ إِلَّا اللَّهُ دَخَلَ الْجَنَّةَ» . رَوَاهُ مُسلم
Translation
Uthman, may God be pleased with him, reported that the Messenger of God said: “Whoever dies knowing that there is no god but God will enter Paradise.” Muslim narrated it.