A writer must be a witness to his or her time, must bear witness to the injustices and the sufferings of the world.

PID控制器的本质在于它能够根据系统的过去和现在状态预测其未来行为。

Success comes from persistence and focus.

程序最重要的属性是它是否实现了用户的意图。

无法适应能源转型的公司将被淘汰。