形容世事短暂如春梦，人情淡薄如秋云。

孤独是你为自由付出的代价。

可持续性不是成本；而是对我们共同未来的投资。

文章贵在简洁，简洁则明了；贵在真实，真实则贴切；贵在变化，变化则生动。

认知的架构限制了知识表征的形式。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

The road to hell is paved with works-in-progress.

做你自己，没有人比你更好。