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

And most of them follow not except assumption. Indeed, assumption avails not against the truth at all. Indeed, Allah is Knowing of what they do.