对民主的最大威胁不是来自外部敌人，而是来自内部腐败和公民美德的丧失。
The greatest threat to democracy is not from external enemies but from internal decay and the loss of civic virtue.
The investor's chief problem - and even his worst enemy - is likely to be himself.
合作是解决我们今天面临的复杂能源挑战的关键。
Your best job will be one that you were unqualified for because it stretches you. In fact only apply to jobs you are unqualified for.
The pursuit of knowledge is a journey without end.
There are two ways of getting home; and one of them is to stay there.