Yunus 36

وَمَا يَتَّبِعُ أَكْثَرُهُمْ إِلَّا ظَنًّا إِنَّ ٱلظَّنَّ لَا يُغْنِى مِنَ ٱلْحَقِّ شَيْـًٔا إِنَّ ٱللَّهَ عَلِيمٌۢ بِمَا يَفْعَلُونَ ﴿٣٦﴾

Wama yattabiAAu aktharuhum illa thannan inna alththanna la yughnee mina alhaqqi shayan inna Allaha AAaleemun bima yafAAaloona

And most of them follow nothing but conjecture. Certainly, conjecture can be of no avail against the truth. Surely, Allah is All-Aware of what they do. The Noble Quran