—— 请按键盘 空白键 开始游戏 ——

The city's poor are like the roots of a tree: unseen, but essential to its survival.
研究学习的唯一有意义的方法是通过客观测量。
The mind is not a vessel to be filled, but a fire to be kindled.
People with a clear sense of identity know who they are and what they stand for. They have a strong sense of self and are not easily swayed by others.