Wonderful!

来源: 青蛙- 于 2006-01-19 08:52:59 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (364 bytes)

回答: Phantom of the Opera 由 152235 于 2006-01-18 21:42:18

It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, trying something - Franklin Delano Roosevelt

What we observe is not nature in itself but nature exposed to our method of questioning - Werner Karl Heisenberg

Nothing can have value without being an object of utility - Karl Marx