The Origination of the Simplicity Principle

The simplicity principle in physics is corresponding to the theoretical simplicity tenet in natural science . Both of them originate form the thoughts on simplicity in the history of scientific development .Newton's statement that Nature never doer useless enriches the thoughts on simplicity of Ockham's razor,and forms the theoretical simplicity tenet in natural science. Einstein's idea that simple things display a symmetry in the theoreticai system sublimes the simplicity tenet into the simplicity principle.