"绝无谬误的事物" can be translated into English as "something entirely free from error" or "an absolutely flawless entity".
"Something entirely free from error" emphasizes the complete absence of mistakes or inaccuracies.
"An absolutely flawless entity" highlights the perfection and lack of any defects in the thing being described.
Both expressions convey the idea of something being completely correct or without any flaws. You can choose the one that best fits the context of your sentence.