写作是一种乐观的行为。

My good opinion once lost is lost forever.

Innovation is the key to the future of coal industry, we must embrace new technologies and ideas.

单子是不可分割的实体，是构成世界的基本元素。

To be is to be perceived.

只有一种真正的罪过，那就是说服自己次好的东西不仅仅是次好的。