历史不是机械的，因为人们有自由去改变它。

Efficiency is highly overrated； Goofing off is highly underrated. Regularly scheduled sabbaths， sabbaticals， vacations， breaks， aimless walks and time off are essential for top performance of any kind. The best work ethic requires a good rest ethic.

做出伟大工作的唯一方法是热爱你所做的事。

In the end, we will remember not the words of our enemies, but the silence of our friends.

文学的美在于它让我们在一生中活出一千种生活。

要理解宇宙，你必须理解它所用的语言，那就是数学。

"The most important thing is to get the right people in the right jobs."

真正的领导力激励他人实现超出想象的成就。