10:36
وَمَا يَتَّبِعُ أَكْثَرُهُمْ إِلَّا ظَنًّا ۚ إِنَّ ٱلظَّنَّ لَا يُغْنِى مِنَ ٱلْحَقِّ شَيْـًٔا ۚ إِنَّ ٱللَّهَ عَلِيمٌۢ بِمَا يَفْعَلُونَ
wamā yattabiʿu aktharuhum illā ẓannan inna l-ẓana lā yugh'nī mina l-ḥaqi shayan inna l-laha ʿalīmun bimā yafʿalūna
Most of them follow nothing but assumptions, but assumptions can be of no value at all against the Truth: God is well aware of what they do.
And most of them follow nothing but conjecture. Certainly, conjecture can be of no avail against the truth. Surely, Allâh is All-Aware of what they do.