任何在科学探索中追求即时实用价值的人，可以确信他的追求是徒劳的。
The history of life is a history of transformation.
"The world is a book, and those who do not travel read only a page."
Don't ever let anybody tell you they're better than you.
The modern state is a product of the European experience.
别找错，找解决办法。