Wonderful!

來源: 青蛙- 於 2006-01-19 08:52:59 [檔案] [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次 (364 bytes)

回答: Phantom of the Opera 由 152235 於 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