﴿ ۞ كَذَّبَتْ قَبْلَهُمْ قَوْمُ نُوحٍۢ فَكَذَّبُوا۟ عَبْدَنَا وَقَالُوا۟ مَجْنُونٌۭ وَٱزْدُجِرَ ﴾

“[LONG] BEFORE those [who now deny resurrec­tion] did Noah’s people call it a lie; and they gave the lie to Our servant and said, “Mad is he!” - and he was repulsed.”

Please check ayah 54:17 for complete tafsir.