"The world is a book, and those who do not travel read only one page."

The pursuit of knowledge is a lifelong journey, and the joy of discovery is its greatest reward.

The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.

"Change begins with the courage to question the status quo."

思想需要书来磨砺，正如宝剑需要磨刀石。