Hayek’s epistemological approach points to fallibility, ignorance and knowledge fragmentation in society. His epistemology is structured in order to reveal the impossibility of creating desirable social orders from a deliberate human will aimed at that purpose. The understanding of Hayek’s epistemology contributes to the discussion about crystallized dogmas in the humanities and social sciences, serving as a powerful counterpoint to the predominant thought in the political, legal and academic Brazilian scenario.