重要的不是你打得有多狠,而是你能承受多大的打击并继续前进。
一些编程语言设法吸收变化,但可以承受进步。
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。
The property which every man has in his own labor, as it is the original foundation of all other property, so it is the most sacred and inviolable.