The progress of mathematics is measured by the number of problems it can solve.

真相并不总是美丽的，但寻找真相的过程是。

Technology will redefine how we extract and utilize coal resources.

最后，这就是这次选举。我们是否参与愤世嫉俗的政治或希望的政治?

People change and forgot to tell each other.

生命可以归结为一种简单的选择：要么忙于生存，要么赶着去死。