وَمَا لَهُم بِهِ مِنْ عِلْمٍ إِن يَتَّبِعُونَ إِلَّا الظَّنَّ وَإِنَّ الظَّنَّ لَا يُغْنِي مِنَ الْحَقِّ شَيْئًا

They do not have any knowledge of that. They follow nothing but conjectures, and conjecture is no substitute for the truth.