"The only way to do great work is to love what you do."
"I wonder how many people I've looked at all my life and never seen."
The night is dark, and I am far from home.
我希望不久之后我们就能有一台能够解决所有数学问题的机器。
系统辨识的挑战不仅在于拟合数据，还在于提取有意义且可推广的模型。