The deeper you go into mathematics, the more you realize how much remains unknown.
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.
I'm not afraid of the future; I'm afraid of the past.
He who wants to do good knocks at the gate； he who loves finds the gate open。
I don’t have time to worry about something as trivial as what I look like.
The leather industry thrives when tradition meets technology—never forget the craft behind the science.
The art of any culture is the exponent of its social relationships.
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。
Editing is not just about cutting; it's about finding the rhythm and pace of the story.