" I have said that the philosophy of nature is concerned with the most general features of empirical and material reality. Other expositions written from an Aristotelian-Thomistic point of view often characterize the field instead as concerned with changeable reality (though some earlier writers do characterize it the way I have, e.g. Bittle 1941, p. 13). "

― Edward Feser , Aristotle’s Revenge: The Metaphysical Foundations of Physical and Biological Science