Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

大自然从来都不是完全对称的，我们的方法也不应该假装它是。

领导力意味着今天做出艰难的决定，为了更美好的明天。

"Every book is a journey, and every journey is a book."

Within a computer natural language is unnatural.