—— 请按键盘 空白键 开始游戏 ——

The future of liberal democracy depends on its ability to address the challenges of inequality and political polarization.
我坐在黑暗中。很难弄清楚什么更糟糕:里面的黑暗还是外面的黑暗?
The true test of a mathematical idea is its ability to inspire further thought.
Life is like music。It must be composed by ear,feeling and instinct,not by rule.