مَنْ كَانَ آخِرُ كَلَامِهِ لَا إِلَهَ إِلَّا اللَّهُ دَخَلَ الْجَنَّةَ
Transliteration
Man kana akhiru kalamihi la ilaha illa-llahu dakhala-l-jannah.
Translation
Whoever's last words are: La ilaha illa Allah, will enter Paradise.
Narrated by Mu'adh ibn Jabal·Sunan Abi Dawud 3116
