وَمَا يَتَّبِعُ أَكْثَرُهُمْ إِلَّا ظَنًّا ۚ إِنَّ ٱلظَّنَّ لَا يُغْنِى مِنَ ٱلْحَقِّ شَيْـًٔا ۚ إِنَّ ٱللَّهَ عَلِيمٌۢ بِمَا يَفْعَلُونَ
Wa maa yattabi'u aksaruhum illaa zannaa; innaz zanna laa yughnee minal haqqi shai'aa; innal laaha 'Aleemum bimaa yaf'aloon
Most of them follow nothing but conjecture, and conjecture is no substitute for the truth. God knows well what they do.