Quran 71:1 from Surah Nooh on Divine Marvels.
إِنَّآ أَرۡسَلۡنَا نُوحًا إِلَىٰ قَوۡمِهِۦٓ أَنۡ أَنذِرۡ قَوۡمَكَ مِن قَبۡلِ أَن يَأۡتِيَهُمۡ عَذَابٌ أَلِيمٞ
English translation: Indeed, We [We] sent Nuh to his people that Warn your people from before [that] comes to them a punishment painful
Transliteration: inna arsalna nuhan ila qawmihi an andhir qawmaka min qabli an yatiyahum adhabun alimun