وَإِن يُكَذِّبُوكَ فَقَدۡ كَذَّبَتۡ قَبۡلَهُمۡ قَوۡمُ نُوحٖ وَعَادٞ وَثَمُودُ
Wain yukaththibooka faqad kaththabat qablahum qawmu noohin waAAadun wathamoodu
If they treat thy (mission) as false, so did the peoples before them (with their prophets),- the People of Noah, and ´Ad and Thamud;