So here we are once again on the precipice, at least in terms of global stock markets and credit markets. Another bout of nail-biting panic is hardly unexpected, though it’s always surprising when otherwise sane people veer sharply into hysteria. It’s a good, albeit painful, reminder that the bonds of what we call civilization are always more tenuous than we would like to believe, that things like “value” and “worth” and “the economy” are ultimately the products of human beings simply agreeing on a set of rules. Stocks, bonds, gold, silver, none have any intrinsic value, nor do Gucci handbags, Deere lawnmowers, and GM trucks (in case anyone was wondering about that one). We act as if they do, because it gives us some sense of an orderly world, and because the alternative is just too unsettling to live with on a daily basis.