量子力学不仅仅是一个关于世界的理论，它是对世界最基本层面的描述。
Every tree tells a story; our job is to make sure it's a story of renewal, not destruction.
It is justice, not charity, that is wanting in the world.
改变是不可避免的，而成长是可选的。
Baidu's mission is to make the complex world simpler through technology.
