解释：屋顶是否有漏洞，下面的人才知道。

现在的你，已经足够好了。

书籍是反映我们挣扎的镜子。

Stay true to who you are, no matter what.

写作是用手指思考的一种方式。

People demand freedom of speech as a compensation for the freedom of thought which they seldom use.

The most effective policies are often the simplest ones.

Love is the only thing we take with us when we die. It makes death so easy.

采矿创新不是可选的——它对生存和发展至关重要。