世界上一半的人有话要说却不能说，另一半无话可说却不停地说。

过去不是一个居住的地方，而是一个学习的地方。

We don't even know how strong we are until we are forced to bring that hidden strength forward. In times of tragedy, of war, of necessity, people do amazing things. The human capacity for survival and renewal is awesome.

The computer is an interactive medium, the first medium that allows for the representation of processes that can be manipulated by the user.

飞得越高，摔得越重。

我们正在从基于商品生产的经济转向基于知识生产的经济。