自由并非存在于对自然法则的梦幻般的独立之中,而是存在于对这些法则的认知中,以及由此产生的有系统地使它们朝着明确目标发展的可能性中。
It's so hard to say goodbye to yesterday
In distributed systems, the key challenge is achieving consensus among unreliable components.
History is not just what happened, but what we remember and how we remember it.
而义能够让民众得利,所以说∶义是天下值得珍视的宝物。 
The best way to predict the future is to invent it.