The greatest threat to democracy is not from external enemies but from internal decay and the loss of civic virtue.
对民主的最大威胁不是来自外部敌人，而是来自内部腐败和公民美德的丧失。
唯一真正的知识是自我认知。
你无法改变你的来处，但你可以改变你的去向。
历史不过是一连串的意外。它只能让我们准备好再次被意外。
There is more to feminine charm than just measurements. I don’t need a bedroom to prove my womanliness. I can convey just as much femininity, picking apples off a tree or standing in the rain.
翻译：指出深入研究文章可以分析器物的性能，而深入了解自然规律则可以审视器物的用途。
Because thought implies judgement, and because we are all paranoid enough to take judgement to be negative, it is constitutionally suspect in the bedroom.