Surah Al-Anbiyaa, Verse 65
ثُمَّ نُكِسُوا۟ عَلَىٰ رُءُوسِهِمْ لَقَدْ عَلِمْتَ مَا هَٰٓؤُلَآءِ يَنطِقُونَ
Translation — Sahih International
Then they reversed themselves, [saying], "You have already known that these do not speak!"
Source
Kur'an-ı Kerim, Enbiyâ Suresi 21:65
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/21-suresi-65-ayet