"We are all prisoners of our own memories, and the key to freedom lies in understanding them."
我们都被自己的记忆所囚禁，而自由的关键在于理解它们。
The individual's biography is shaped by the historical and social context in which it is embedded.
每本书都是一句引文；每座房子都是从所有森林、矿山和采石场中引用的；每个人都是从他所有祖先中引用的。
A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
至今一切社会的历史都是阶级斗争的历史。