Listen!
TO ERIC You appeal often to Reason as if She were as clear as arithmetic and is your friend. But think: the cold you have now is partial to that infinite sphere of cold around us, the heat to that burn whose instants consume worlds, whose light that lets us see can blind. So would not your reason be partial, too, mere flake off some thought so large it is mad and could not be, in its whole and all, Eric, that by which you could live.