我不让任何人定义我。我自己定义自己。

Self-education is, I firmly believe, the only kind of education there is.

Behavior, as such, is not to be regarded as a mere chain of muscular contractions, but rather as a purposive and cognitive affair.

Every ton of coal we extract carries equal weight in responsibility.

Hypocrisy is the death of the self.

出自汉·桓宽《盐铁论·险固》。这句话以“地利”与“人和”、“武力”与“文德”的对比，阐明了实行仁政对于治国安邦的重要性。

The key to success is to keep pushing yourself.

解决复杂问题的关键通常是找到正确的抽象，这种抽象可以在不丢失问题本质特征的情况下简化问题。