The good which a wise man seeks， the wise man is.
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。
The greatest happiness is to know the source of unhappiness.
The poverty of our century is unlike that of any other. It is not, as poverty was before, the result of natural scarcity, but of a set of priorities imposed upon the rest of the world by the rich.