Leadership is about serving others and helping them achieve their potential.
A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.
The greatest threat to democracy is not from external enemies but from internal decay and the loss of civic virtue.
译文：即使是钝刀，也希望能有一次锋利的机会；梦想着施展抱负，实现宏伟的计划。
The search for happiness is one of the chief sources of unhappiness.