Dalil
العربية

Quran An-Najm 53:28

وَمَا لَهُم بِهِۦ مِنۡ عِلۡمٍۖ إِن يَتَّبِعُونَ إِلَّا ٱلظَّنَّۖ وَإِنَّ ٱلظَّنَّ لَا يُغۡنِي مِنَ ٱلۡحَقِّ شَيۡـٔٗا

Translation

And they have thereof no knowledge. They follow not except assumption, and indeed, assumption avails not against the truth at all.