53 : 28
وَمَا لَهُم بِهِۦ مِنۡ عِلۡمٍۖ إِن يَتَّبِعُونَ إِلَّا ٱلظَّنَّۖ وَإِنَّ ٱلظَّنَّ لَا يُغۡنِي مِنَ ٱلۡحَقِّ شَيۡـٔٗا
They have no knowledge about it. They only follow conjecture, but conjecture is of no avail against the truth.
Ayah 28 of النَّجم (53 : 28). This page carries the verse in the Uthmani script with a translation of its meaning, at a stable URL that can be cited on its own.
وَمَا لَهُم بِهِۦ مِنۡ عِلۡمٍۖ إِن يَتَّبِعُونَ إِلَّا ٱلظَّنَّۖ وَإِنَّ ٱلظَّنَّ لَا يُغۡنِي مِنَ ٱلۡحَقِّ شَيۡـٔٗا
They have no knowledge about it. They only follow conjecture, but conjecture is of no avail against the truth.