世界是一本书，不旅行的人只读了一页。

Quality starts from the seed; only the best can grow into the finest fruits.

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

理解变化的唯一方式就是投身其中，随之而动，加入这场舞蹈。