6:25
وَمِنْهُممَّنيَسْتَمِعُإِلَيْكَ ۖوَجَعَلْنَاعَلَىٰقُلُوبِهِمْأَكِنَّةًأَنيَفْقَهُوهُوَفِىٓءَاذَانِهِمْوَقْرًا ۚوَإِنيَرَوْا۟كُلَّءَايَةٍلَّايُؤْمِنُوا۟بِهَا ۚحَتَّىٰٓإِذَاجَآءُوكَيُجَٰدِلُونَكَيَقُولُٱلَّذِينَكَفَرُوٓا۟إِنْهَٰذَآإِلَّآأَسَٰطِيرُٱلْأَوَّلِينَ٢٥
wamin'hum man yastamiʿu ilayka wajaʿalnā ʿalā qulūbihim akinnatan an yafqahūhu wafī ādhānihim waqran wa-in yaraw kulla āyatin lā yu'minū bihā ḥattā idhā jāūka yujādilūnaka yaqūlu alladhīna kafarū in hādhā illā asāṭīru l-awalīna
And among them are those who listen to you, but We have placed over their hearts coverings, lest they understand it, and in their ears deafness. And if they should see every sign, they will not believe in it. Even when they come to you arguing with you, those who disbelieve say, "This is not but legends of the former peoples."(25)