Surah An-Nisa Verse 159 - English Translation by Muhammad Mahmoud Ghali
Surah An-Nisaوَإِن مِّنۡ أَهۡلِ ٱلۡكِتَٰبِ إِلَّا لَيُؤۡمِنَنَّ بِهِۦ قَبۡلَ مَوۡتِهِۦۖ وَيَوۡمَ ٱلۡقِيَٰمَةِ يَكُونُ عَلَيۡهِمۡ شَهِيدٗا
And decidedly there is not one of the population of the Book (Or: Family of the Book, i.e., the Jews and Christians) but will indeed definitely believe in him before his death, and on the Day of the Resurrection he will be a witness against them