事实是顽固的东西；无论我们的愿望、倾向或激情的驱使如何，它们都无法改变事实和证据的状态。

The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

最好的管理是一门真正的科学，建立在明确的法律、规则和原则之上。

我不是天才，但是我在某些事情上很聪明，我就只关注这些事情。

我写歌的时候，常常忘记时间。