你越努力，就越幸运。
The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
Psychology must be a science of functions, not just a science of facts.
对习俗和法律的遵从很容易成为对谎言的掩饰，这种掩饰极为巧妙，令人无法察觉。它可以使我们逃避所有的批评，它甚至能够使我们欺骗自己，令我们相信自己是 显然正当的。但是无论他的正当性得到多少公众舆论或道德准则的支持，在内心深处、在普通人的意识层次之下，他仍听到一个低低的声音：“哪儿有点不正常”。
The most profound ideas in mathematics often arise from the simplest observations.