语言中最具破坏性的一句话是：“我们一直都是这样做的。”
The most damaging phrase in the language is: 'We've always done it this way.'
"The best way to learn mathematics is to do mathematics."
出自汉·桓宽《盐铁论·申韩》，也有说出自《盐铁论·险固》。有所准备就能制服别人；没有准备只能被别人制服。释义：有准备就能钳制住别人；没有准备就要受别人的钳制。
最重要的是关注用户，其他一切都会随之而来。
唯一真正的平等是在墓地里。
"Every character has a story, and every story has a character."
The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.