130.- Taken together, these points suggest that thinking – our kind of thinking – had to wait for talking to emerge, which in turn had to wait for secret keeping to emerge, which in turn had to wait for the right complexification of the behavioral environment.

131.- As long as the natural psychologists don’t have an opportunity or an obligation to communicate with each other about their attributions of intentionality to themselves or others, as long as they never have an opportunity to compare notes, to dispute with others, to ask for the reasons that ground the conclusions they are curious about, it seems that there is no selective pressure on them to represent those reasons, and hence no selective pressure on them to forsake the Need to Know principle in favor of its familiar opposite, the Commando Team Principle: give each agent as much knowledge about the total project as possible, so that the team has a chance of ad-libbing appropriately when unanticipated obstacles arise.