“Now,” said the large man, “knowing your world, this part may be a difficulty for you. Let me give you an example. In your world, as in mine, is it not considered bad to take and use, without permission, an object that another man is currently using or depending on?” “Yes, in our world we call this ‘stealing,’” said John, with some impatience. “It is considered a greater crime, though, to unleash killer spiders on an unarmed crowd. We call that ‘arachnicide.’”