Sustainability isn't a choice—it's a responsibility we owe to the next generation.

我不是冠军，我是挑战者。

Only a life lived for others is a life worthwhile.

What is necessary to change a person is to change his awareness of himself.

The night is a liar, but the dawn tells the truth.

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。