领导力在于因为你的存在而让他人变得更好，并确保这种影响在你离开后依然持续。
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
I think the greatest thing in life is to be able to give back.
The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.
The main task in life is simply this: to identify and separate from the things that are not ourselves, so that we can become ourselves.
We must balance economic growth with environmental responsibility.
最糟糕的人是那些让别人因为对某事感到兴奋而感到糟糕、愚蠢或愚蠢的人。