The first is that a miracle, understood as an event produced by a transcendent agent overriding the usual course of nature, involves a violation of the laws of nature. Larmer argues that events are explained by reference to both relevant laws and units of mass/energy in the sequences to be explained. He contends that a miracle need not be conceived as involving a violation of natural law, but rather as the creation or annihilation of mass/energy by a transcendent agent. In reply to the objection that this account would violate the first law of thermo-dynamics, he distinguishes two forms of...