37:71
وَلَقَدْ ضَلَّ قَبْلَهُمْ أَكْثَرُ ٱلْأَوَّلِينَ ٧١
Saheeh International
And there had already strayed before them most of the former peoples,
Tafsir of "Ibn Kathir" (English)
Allah says:وَلَقَدْ ضَلَّ قَبْلَهُمْ أَكْثَرُ الاَْوَّلِينَوَلَقَدْ أَرْسَلْنَا فِيهِم مُّنذِرِينَ