Metaphysical poets was established, however, it was occasionally adopted by other and especially younger poets to fit appropriate circumstances. In the chapter on Abraham Cowley in his "Lives of the Most Eminent English Poets" (1779–81), Samuel Johnson refers to the beginning of the seventeenth century in which there "appeared a race of writers that may be termed the metaphysical poets". This does not necessarily imply that he intended "metaphysical" to be used in its true sense, in that he was probably referring to a witticism of John Dryden, who said of John Donne: He affects the metaphysics, not only in his satires,
Metaphysical naturalism to David Papineau, contemporary naturalism is a consequence of the build-up of scientific evidence during the twentieth century for the "causal closure of the physical", the doctrine that all physical effects can be accounted for by physical causes. According to Steven Schafersman, president of Texas Citizens for Science, an advocacy group opposing creationism in public schools, the progressive adoption of methodological naturalism—and later of metaphysical naturalism—followed the advances of science and the increase of its explanatory power. These advances also caused the diffusion of positions associated with metaphysical naturalism, such as existentialism. In the context of creation and evolution debates,