One way of looking at speech is to say that it is a constant stratagem to cover nakedness.

Earth provides enough to satisfy every man's needs， but not every man's greed.

I don't want to make money, I want to make a difference.

每个人都有不为世人所知的秘密悲伤；我们常常称一个人冷漠，其实他只是悲伤。

科学的旅程不仅仅是寻找答案，更是提出正确的问题。