从非工作状态到工作状态的最佳性能改进。

"A book is a fragile creature, it suffers the wear of time, it fears rodents, the elements and clumsy hands. So the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion."

History is the art of making the dead speak.

我不需要英雄，我自己就是英雄。