Dua 153 ☆
لاَ إِلَهَ إِلاَّ اللَّهُ
Laa 'ilaaha 'illallaahu.
Whoever dies with the last words : 'There is none worthy of worship but Allah," will enter Paradise.
Reference: Abu Dawud 3/190. See also Al-Albani, Sahihul-Jami' As-Saghir 5/432.