—— 请按键盘 空白键 开始游戏 ——

Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.
别人胜过我,没有什么害处,因为这样的话,别人不会在他们的内心深处积下对我的怨恨;我胜过别人,不一定是什么好事,因为这样的话,那些心胸狭窄之人,恐怕会给我降下难以预测的灾祸。
The future competition is not between companies, but between business models.