" At the subatomic level, you can’t even say that matter exists. You can only say that it has a tendency to exist.’
‘You’re confusing Cordelia,” I say. Cordelia has lit a cigarette and is looking out the window, where several squirrels are chasing one another around the lawn. She is paying no attention to any of this.
Stephen considers Cordelia. “Cordelia has a tendency to exist,” is what he says. "

― Margaret Atwood , Cat's Eye