Quran 3:73 from Surah Aal-i-Imraan on Divine Marvels.
وَلَا تُؤۡمِنُوٓاْ إِلَّا لِمَن تَبِعَ دِينَكُمۡ قُلۡ إِنَّ ٱلۡهُدَىٰ هُدَى ٱللَّهِ أَن يُؤۡتَىٰٓ أَحَدٞ مِّثۡلَ مَآ أُوتِيتُمۡ أَوۡ يُحَآجُّوكُمۡ عِندَ رَبِّكُمۡۗ قُلۡ إِنَّ ٱلۡفَضۡلَ بِيَدِ ٱللَّهِ يُؤۡتِيهِ مَن يَشَآءُۗ وَٱللَّهُ وَٰسِعٌ عَلِيمٞ
English translation: And (do) not believe except (the one) who follows your religion Say Indeed the (true) guidance (is the) Guidance (of) Allah lest is given (to) one (the) like (of) what was given to you or they may argue with you near your Lord Say Indeed the Bounty (is) in the Hand (of) Allah He gives it (to) whom He wills and Allah (is) All-Encompassing All-Knowing
Transliteration: wala tu'minu illa liman tabi'a dinakum qul inna al-huda huda al-lahi an yu'ta ahadun mith'la ma utitum aw yuhajjukum inda rabbikum qul inna al-fadla biyadi al-lahi yu'tihi man yashau wal-lahu wasi'un alimun