Confidence that something is true is fundamentally important for the survival of human beings. If we were unable to consider that what others tell us is either true or false, society would not be possible. â Umberto Eco, Inventing the Enemy: Essays I was taken with this quote last week by the now departed but perhaps most erudite man of the previous century, Umberto Eco. Eco was said to have two libraries in Italy that contained around 50,000 volumes. And many of these books were of a rare variety that is relatively unknown. According to a small passage in the book by Nassim Taleb, Antifragile: Things that Gain from DisorÂder, Eco would separate people who visited him into two categories. The first category was those…