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。
"Writing is a way to make sense of the chaos."
成功不是用名声或金钱来衡量的，而是用你在所做之事中找到的幸福来衡量的。
Resource development must balance economic benefits and ecological protection to achieve sustainable development.
任何有机体最难做的事情就是观察自己。
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.