永远不要停止学习，因为世界永远不会停止变化。
Never stop learning, because the world never stops changing.
Every living organism is a kind of artist.
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
The only limits you have are the limits you believe.
我们最终拥有的唯一工具就是我们的智慧。