The power of words can change the world.

我们必须向自然学习如何高效利用资源。

Every discovery in science opens up a new set of questions, and that's what makes it so exciting.

在每个词中，都有一个等待被发现的世界。

解释：货卖完了才知道不足，是由于不懂得计量；事情结束了才知道有余，是由于不懂得调节。

Stay true to yourself and never let anyone tell you that you can't do something.

There are only two ways of telling the complete truth--anonymously and posthumously.