Man's freedom is his limitation.
人的自由是他的限制。
The greatest discovery is that human beings can alter their lives by altering the attitudes of their minds.
The computer is just a tool. The pencil is also a tool. It's about how you use it.
数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。
每一帧都很重要，每一秒都很关键。