The most effective leaders are those who focus on the long-term success of their organization.
原子能的释放并没有创造新的问题。它仅仅是把解决一个现有问题的工作变得更为急迫。
The only thing I know is that I don't know anything.
The best way to predict the future is to invent it.
Leadership means making tough decisions even when they are unpopular.