AL KAHFI — Ayat 5

مَّا لَهُم بِهِ مِنْ عِلْمٍ وَلَا لِآبَائِهِمْ كَبُرَتْ كَلِمَةً تَخْرُجُ مِنْ أَفْوَاهِهِمْ إِن يَقُولُونَ إِلَّا كَذِبًا

They have no knowledge of it, nor had their fathers. Grave is the word that comes out of their mouths; they speak not except a lie.