—— 请按键盘 空白键 开始游戏 ——

The challenge is to transform the constraints into opportunities.
The joy of mathematics is in the discovery of patterns and the understanding of their implications.
所有的事情——除了爱——都应该从退出策略开始。要对结束做好准备。几乎所有事情都是进入容易抽身难。