Most economic fallacies derive from the tendency to assume that there is a fixed pie, that one party can gain only at the expense of another.
Milton Friedman. . . it is worth discussing radical changes, not in the expectation that they will be adopted promptly but for two other reasons. One is to construct an ideal goal, so that incremental changes can be judged by whether they move the institutional structure toward or away from that ideal. The other reason is very different. It is so that if a crisis requiring or facilitating radical change does arise, alternatives will be available that have been carefully developed and fully explored.
Milton FriedmanIf, for example, existing government intervention is minor, we shall attach a smaller weight to the negative effect of additional government intervention. This is an important reason why many earlier liberals, like Henry Simons, writing at a time when government was small by today's standards, were willing to have government undertake activities that today's liberals would not accept now that government has become so overgrown.
Milton Friedman