The very essence of the creative is its novelty, and hence we have no standard by which to judge it.
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
偷一只狗一头猪,就称他不仁;二偷去了一个国家一座城池,却认为这是义。