灵魂是心理过程的总和，从其因果相互联系的角度来看。

反复练习是儿童的智力体操。

One has to pay dearly for immortality；one has to die several times while still alive.

The only thing I can do is to be honest about my uncertainty.

解释：一个人坏事做多了，一定会遭到反噬。

个人行为并非为了最大化独立存在的效用函数。

"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized, where the dream of a world without classes is to be realized, where the dream of a world without genders is to be realized."

"A good novel should unsettle you, make you question what you thought you knew."

革命的道路不是铺满玫瑰的道路。

理解世界的复杂性是我们走向智慧的关键。