An-Najm · Ayah 28
وَمَا لَهُم بِهِۦ مِنْ عِلْمٍ إِن يَتَّبِعُونَ إِلَّا ٱلظَّنَّ وَإِنَّ ٱلظَّنَّ لَا يُغْنِى مِنَ ٱلْحَقِّ شَيْـًٔا
And they have thereof no knowledge. They follow not except assumption, and indeed, assumption avails not against the truth at all.
Quran 53:28 (An-Najm) · Saheeh International, Noor International Center (QuranEnc v1.1.2)