乌鸦聚集在一起，虽然看上去很和好，实际上并不亲密；不慎重地结交朋友，虽似牢固，终必破裂。

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

每一次成功只是为更困难的问题买了一张入场券。

理论实践确实是其自身的标准，并且包含明确的协议以验证其产品的质量。