Surah An-Najm Verse 28

وَمَا لَهُم بِهِ مِنْ عِلْمٍ ۖ إِن يَتَّبِعُونَ إِلَّا الظَّنَّ ۖ وَإِنَّ الظَّنَّ لَا يُغْنِي مِنَ الْحَقِّ شَيْئًا

Wa maa lahum bihee min 'ilmin iny yattabi'oona illaz zanna wa innaz zanna laa yughnee minal haqqi shai'aa

Translation / The Meaning

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