在一个资源匮乏的世界里，最有价值的资源不是石油或黄金，而是想象力。

The notion of truth is not definable in any formal system that is strong enough to include arithmetic.

Success is not final, failure is not fatal: it is the courage to continue that counts.

领导力的作用是产生更多的领导者，而不是更多的追随者。

真相很少是纯粹的，也从不简单。