It was a mechanism that nations could build and multiply that harnessed unlimited energy, a mechanism that many nations would build in self-defense as soon as they learned of its existence and acquired the technical means. It would seem to confer security upon its builders, but because there would be no sure protection against so powerful and portable a mechanism, in the course of time each additional unit added to the stockpiles would decrease security by adding to the general threat until insecurity finally revealed itself to be total at every hand.
