﴿ ٱلَّذِينَ إِذَآ أَصَٰبَتْهُم مُّصِيبَةٌۭ قَالُوٓا۟ إِنَّا لِلَّهِ وَإِنَّآ إِلَيْهِ رَٰجِعُونَ ﴾

“who, when calamity befalls them, say, "Verily, unto God do we belong and, verily, unto Him we shall return."”

Please check ayah 2:157 for complete tafsir.