Here is the first sentence of the first paragraph of the first chapter of his book:
It is widely believed that politics and economics are separate and largely unconnected; that individual freedom is a political problem and material freedom an economic problem; and that any kind of political arrangements can be combined with any kinds of economic arrangements.
If you don't have access to the book, you can read chapter one here (Thank you Mt Hoyolke International Relations Program). Friedman goes on to say that
The thesis of this chapter is that such a view is a delusionAs you wade through the abstract ideas in the first chapter, think about China today. Where do you see China standing in fifty years from now?