What Newtonian mechanics has to do with the results of legislation. After all, the results are what is really important, aren’t they?
In sum, a moral evaluation of public policy cannot stop short with the good intentions that go into crafting a law or government program. We have a moral obligation to pay attention to the other side of the equation as well—its actual, and often predictable, outcomes. Richards suggests that a great place to begin is for every policymaker, upon encountering proposed legislation, to ask, “And then what will happen?”