—— 请按键盘 空白键 开始游戏 ——

我不是白天,我是黑夜。
A masterpiece is not perfect, but perfectly honest.
我所获得的丰富来自大自然,那是我灵感的源泉。
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.
Patience is bitter, but its fruit is sweet.