Original sentence: In the 1960s, Edmund Gettier criticised the Theaetetus definition of knowledge by pointing out situations in which a believer has a true belief justified to a reasonable degree; and yet in the situations he describes, everyone would agree that the believer does not have knowledge
Edited sentence: In other words, human beings are inherently ignorant.In the 1960s, Edmund Gettier criticised the Theaetetus definition of knowledge by pointing out situations in which a believer has a true belief justified to a reasonable degree; and yet in the situations he describes, everyone would agree that the believer does not have knowledge and is, in fact, ignorant