The social sciences should be hardened, and natural and social scientists should work together on public policy

In the “politics” of science, which these and other activities have entailed, I have had two guiding principles – to work for the “hardening” of the social sciences so that they will be better equipped with the tools they need for their difficult research tasks; and to work for close relations between natural scientists and social scientists so that they can jointly contribute their special knowledge and skills to those many complex questions of public policy that call for both kinds of wisdom.