没有所谓的幸福结局。

The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.

国家不过是一个阶级对另一个阶级进行压迫的机器。

发明的艺术在于找出已知现象的原因。

精神是穿透生命本身的生命；它以燃烧在灵魂中的火焰为食。