Quran 2:156 from Surah Al-Baqara on Divine Marvels.
ٱلَّذِينَ إِذَآ أَصَٰبَتۡهُم مُّصِيبَةٞ قَالُوٓاْ إِنَّا لِلَّهِ وَإِنَّآ إِلَيۡهِ رَٰجِعُونَ
English translation: Those who when strikes them a misfortune they say Indeed, we belong to Allah and indeed we towards Him will return
Transliteration: alladhina idha asabathum musibatun qalu inna lillahi wa-inna ilayhi raji'una