وَإِن يُكَذِّبُوكَ فَقَدۡ كَذَّبَتۡ قَبۡلَهُمۡ قَوۡمُ نُوحٖ وَعَادٞ وَثَمُودُ
Wa iny yukazzibooka faqad kazzabat qablahum qawmu Nooinw wa Aadunw wa Samood
English Translation
And if they deny you, [O Muhammad] - so, before them, did the people of Noah and 'Aad and Thamud deny [their prophets]
— Saheeh International