正确陈述的反面是错误陈述。但一个深刻真理的反面很可能是另一个深刻真理。

The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done.

海洋生态平衡是我们共同的责任，破坏它就是破坏我们自己的未来。

农业的成功来自于对土地和耕种者的理解。

We need less spectacle and more substance in contemporary art.