只有跳出框架的人才能看到全局。

The past is never dead. It's not even past.

For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.

相信自己和你所拥有的一切。知道你内心有一种力量，比任何障碍都更强大。

并不是我很聪明，而只是我和问题相处得比较久一点。