It's not always necessary to be better than everyone else, but to be better than you used to be.
The past is never dead. It's not even past.
The only way to discover the limits of the possible is to go beyond them into the impossible.
学习是通过修改符号结构来提高性能的过程。
我并不假装理解宇宙——它比我大多了。
The future of manufacturing lies in closed-loop systems.