—— 请按键盘 空白键 开始游戏 ——

The best art is never finished; it’s abandoned.
最好的艺术永远不会完成,它只是被放弃了。
我的过去是我的动力。
数学不是关于数字、方程、计算或算法的:它是关于理解的。
The beauty of instrumental variables is that they allow us to see the world in a new light.
Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad.