A toaster may not burn a piece of toast or, through inaction, allow a piece of toast to be burned. A toaster must obey the doneness setting given it by human b

A toaster may not burn a piece of toast or, through inaction, allow a piece of toast to be burned. A toaster must obey the doneness setting given it by human beings except where such orders would conflict with the First Law. A toaster must protect its own existence as long as such protection does not conflict with the First or Second Law.