I haven't read this book, but this concept sounds very much like the notions of positive and negative liberty/freedom as described by Isiah Berlin [1].
In short, negative liberty is freedom from external interference, while positive liberty is having the resources and power to actually accomplish things.
In short, negative liberty is freedom from external interference, while positive liberty is having the resources and power to actually accomplish things.
[1] http://cactus.dixie.edu/green/B_Readings/I_Berlin%20Two%20Co...