戒烟很容易，我已经戒了一千次。
Giving up smoking is the easiest thing in the world. I know because I’ve done it thousands of times.
The elegance of a theory is not just in its mathematical formulation, but in its ability to connect disparate phenomena under a unified framework.
I don’t let setbacks define me. I let them strengthen me.
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。
Technology accumulation is a long-term process; short-term gains should not be the focus.