我们都是自己故事中的英雄，有时也是恶棍。

人类社会生活的行为流是由存在的物质条件构成的。

A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.

除非你付诸行动，否则一切都不会有结果。

Ask funders for money， and they’ll give you advice； but ask for advice and they’ll give you money.

与逆境不屈抗争，以无畏的气势面对敌人。