PID控制器是控制工程师的通用工具，适用于各种各样的过程。

译文：在事前考虑周全，做到未雨绸缪，做事时才不会出现意外和麻烦；事到临头才忧心忡忡，慌忙应对，结果就是无济于事。赏析：做任何事，我们都要提前谋划，凡事做最充足的准备，做最坏的打算。事到临头才寻求解决之法，为时已晚了。

发现的行为并不只为天才保留。

I've always been interested in the idea of the outsider, the person who doesn't quite fit into the mainstream.

Electric communication will never be a substitute for the face of someone who with their soul encourages another person to be brave and true.

To imagine is everything, to know is nothing at all.

Never apologize for being a powerful woman.

历史是时间写在人类记忆上的一首循环诗。