My work is my response to the world.
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。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.
The measure of a good book is whether or not it makes you see the world differently.
财富地位如同浮云般虚幻，功名利禄像流水一样易逝。
Quality is not a promise; it is a delivery.