System identification is the art and science of building mathematical models of dynamic systems from observed input-output data.
系统辨识是从观测到的输入输出数据中建立动态系统数学模型的科学与艺术。
A story is not like a road to follow...it's more like a house. You go inside and stay there for a while, wandering back and forth and settling where you like and discovering how the room and corridors relate to each other, how the world outside is altered by being viewed from these windows.
The existence of law is one thing; its merit or demerit is another.
In science, the credit goes to the person who convinces the world, not to the person to whom the idea first occurs.
在商业中，如果你一直跑，竞争对手会咬你；如果你站着不动，他们会吞掉你。
最后我们将把太阳本身置于宇宙的中心。
"I’m the one I should love in this world. Shining me, precious soul of mine."
你如果出色地完成了某件事，那你应该再做一些其他的精彩事儿。不要在前一件事上徘徊太久，想想接下来该做什么。
世界的美有两面，一面是欢笑，一面是痛苦，将心割裂。
There is no limit on better. Talent is distributed unfairly， but there is no limit on how much we can improve what we start with.