我们不仅仅是在制造产品，我们的每个决定都在塑造地球的未来。

The most important skill for an economist is the ability to think clearly about trade-offs.

不自律的人是没有自由的。

当天赋不努力时，勤奋会击败天赋。

The severity of Russian laws is alleviated by the fact that it is not obligatory to execute them.

朗费罗幽默的秘密源泉并不是欢乐而是悲伤。天堂里没有幽默。