-- To serve the purposes of ending poverty and conserving the biosphere (sustainable development) we must first rescue the idea of purpose itself from the nether world of illusion and epiphenomena to which it has been banished by mechanist philosophers and neodarwinist biologists. If purpose is not causative in the real world then all policy is nonsense, and all theory on which policy is based is useless.

This last quote is quite important and its conceptualization fundamental in the creation of a new non-Newtonian philosophy of systems dynamics and irreductionism.

But the author doe not sell me on point number 4.