When he and Hooke and Wilkins had cut open live dogs during the Plague Year, Daniel had looked into their straining brown eyes and tried to fathom what was going on in their minds. He'd decided, in the end, that nothing was, that dogs had no conscious minds, no thought of past or future, living purely in the moment, and that this made it worse for them. Because they could neither look forward to the end of the pain, nor remember times when they had chased rabbits across meadows.