الانبياۤء — Al-Anbiya' Ayat 65

ثُمَّ نُكِسُوْا عَلٰى رُءُوْسِهِمْۚ لَقَدْ عَلِمْتَ مَا هٰٓؤُلَاۤءِ يَنْطِقُوْنَ

Ṡumma nukisū ‘alā ru'ūsihim, laqad ‘alimta mā hā'ulā'i yanṭiqūn(a).

"Then they reversed themselves, [saying], "You have already known that these do not speak!""