This, I would insist, is not a cheap pietism. The fact is that Christ's victory over the principalities and powers was a victory over the power of oppressive institutions- the sense that reality is what it is, that all is as it should be, that the ways of the world are established and cannot be changed; that the rules by which the world operates are ones we must accept and not challenge. We are not bound by the 'necessities' of history and society but as free from them. He broke their sovereignty and, as a result, all things are possible. It is this reality that frees all Christians to actively, creatively, and constructively seek the good in their relationships, in their tasks, in their spheres of influence, and in their cities.
Against the present realities of our historical moment, it is impossible to say what can actually be accomplished. There are intractable uncertainties that cannot be avoided. Certainly Christians, at their best, will neither create a perfect world nor one that is altogether new; but by enacting shalom and seeking it on behalf of all others through the practice of faithful presence, it is possible, just possible, that they will help to make the world a little bit better."
James Davison Hunter in To Change the World: The Irony, Tragedy & Possibility of Christianity in the Late Modern World, pp. 285-86