I believe that we are lost here in America, but I believe we shall be found.

Every man's own satisfaction is the centre of all that he looks at.

The world is a stage, but most of us are just stagehands.

负责任的采矿不是一种选择，而是我们对地球和后代应尽的义务。

经济史和经济发展的核心问题是解释政治和经济制度的演变，这些制度创造了一个诱导生产率提高的经济环境。

【释义】人不可以没有羞耻之心，不知羞耻的那种羞耻，才是真的耻辱。

Love is the principle of unity and cohesion, Strife is the force of separation and disintegration.”

我相信爱情，但我也相信保护自己的心。