模型的好坏取决于其所基于的数据。

You have to be willing to fail to succeed.

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.

最好的文学是那种扰乱、动摇、拒绝安慰的文学。

让自己振作起来的最好方法是试着让别人振作起来。