—— 请按键盘 空白键 开始游戏 ——

It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
Happiness is the key to life. Without happiness, you have nothing.
如果在你能预计到的情况下失败了,那就算不上是失败。
The conjectures of the Langlands program are a challenge to the next generation of mathematicians.