Abstract
I have rewritten—often several times—every word I have ever published. My pencils outlast their erasers.A pen is a machine to think with.The writer engages the world not only by living in and reflecting it but also by two dynamic processes, one sensory/motor, the other social. The former involves cycles of writing, reading what has been written, responding to it, and writing again; the latter involves writing, reading to an audience, responding to their reactions, and writing again. Dynamic processes involving brain and world, via perception and behavior, have been of great interest to philosophers of mind and cognitive scientists in recent decades. In contrast to classical cognitive science, enactivism proposes...