The existence of a legal system presupposes the existence of a rule of recognition.

如果您在解释程序时听众点头，请叫醒他。

"I think the most important thing for a writer is to be honest and to write from the heart."

宁可在田野中狩猎以求健康，也不花钱让医生开令人作呕的药。

要理解递归，首先必须理解递归。

Innovation distinguishes between a leader and a follower.

我说的每一句话都必须被理解为不是一个断言，而是一个问题。