如果我们能意识到武力永远无法赢得合作与爱，这个世界就可以避免无数的紧张关系，不用做那么多的无用功。

The art of teaching consists in large part of the ability to awaken the natural curiosity of young minds and to satisfy it with the nourishment of knowledge.

我们今天种植的每一棵树都是对更绿色、更健康的未来的投资。

Within a computer natural language is unnatural.

大海对人类从不友善，最多只是人类不安分的帮凶。