53:28
وَمَا لَهُم بِهِۦ مِنْ عِلْمٍ ۖ إِن يَتَّبِعُونَ إِلَّا ٱلظَّنَّ ۖ وَإِنَّ ٱلظَّنَّ لَا يُغْنِى مِنَ ٱلْحَقِّ شَيْـًٔا
wamā lahum bihi min ʿil'min in yattabiʿūna illā l-ẓana wa-inna l-ẓana lā yugh'nī mina l-ḥaqi shayan
And they have thereof no knowledge. They follow not except assumption, and indeed, assumption avails not against the truth at all.
— Saheeh International
They have no knowledge to base this on: they merely follow guesswork. Guesswork is of no value against the Truth.
— M. A. S. Abdel Haleem
But they have no knowledge thereof. They follow but a guess, and verily, guess is no substitute for the truth.
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali