The only limit to our realization of tomorrow is our doubts of today.

局外人

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.

我们今天开采的石料，就是留给后世的遗产。

To lead is to serve, not to be served.

教育是使人变得有道德的艺术。