In mathematics, the art of proposing a question must be held of higher value than solving it.
In a world of fast change, the values of integrity and quality remain timeless.
The mind is a complex of processes, not a thing.
"写作是一种勇气,因为它要求我们面对自己内心最深处的恐惧和欲望。"
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。