 Another philosophical tenet that bears on Cavendish’s view on the ubiquity of thinking is her view that nature is a plenum. If there were empty space between bodies, then there would be no thinking that takes place between bodies, but Cavendish holds that the notion of empty space is a fiction. In the regions that we call “empty space,” there is air, for example, and in addition there are other bodies that are below the threshold of human perception. She offers a number of reasons for supposing that the universe is a plenum, including that nothingness can have no properties and that God would not create non-being. She writes,