How do we know what we "know"? How did we â€“as individuals and as a society â€“ come to accept certain knowledge as fact? In Human Knowledge, Bertrand Russell questions the reliability of our assumptions on knowledge. This brilliant and controversial work investigates the relationship between â€individualâ€™ and â€scientificâ€™ knowledge. First published in 1948, this provocative work contributed significantly to an explosive intellectual discourse that continues to this day.