dave long dlsilcomcom soros _open society_ says theory coevolutionary nature finance history mean subject many boombust cycles result leisure time playing successfully quantum fund believes need keep strategies game players rule makers distinct ends rule makers cant strictly personal game players cardinal virtues provide set restoring forces allow one act balance temperance avoid hubris booms fortitutude avoid depression busts prudence maximize personal utility game player justice maximize common good rule maker dave httpxentcommailmanlistinfofork fri 26 jul 2002 123628 0700 soros _open society_ cardinal virtues