وَما يَتَّبِعُ أَكثَرُهُم إِلّا ظَنًّا ۚ إِنَّ الظَّنَّ لا يُغني مِنَ الحَقِّ شَيئًا ۚ إِنَّ اللَّهَ عَليمٌ بِما يَفعَلونَ

The majority of them follow nothing but conjecture, which can never replace the truth. God is aware of what they do.