形容深沉的幽情在孤寂中愈发浓烈

The concept of infinity is not just a mathematical abstraction, but a physical reality.

"The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater."

国家一定要有直言进谏的臣子，上级必须有敢于提出反对意见的下级，议论国政的人不停止，各种不同政见的人相互辩论，才可以长久保存国家，使国家兴盛强大。也就是说言论自由是民众的基本权利，每个人都可以提出不同的政见，民众有平等参与政治的权利。

Problem solving is a search through a space of possible solutions.

Technology should serve people, not the other way around.