奈奎斯特准则提供了一种图形方法来确定闭环系统的稳定性。

The most effective way to destroy people is to deny and obliterate their own understanding of their history.

局外人

每一个设计都是对连续过程中一个具体时刻的严格尝试。

"Truth is not always the most comforting thing, but it is the most necessary."

领导力意味着做出今天艰难的决定，以造福子孙后代。