我们进步的考验不在于我们是否为那些已经拥有很多的人增加更多，而在于我们是否为那些拥有太少的人提供足够的帮助。
The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.
我不想比别人更好，我只想比过去的自己更好。
Education is the foundation of conservation—people protect what they understand.
我们生活在一个人们有越来越多的时间，但彼此之间的时间却越来越少的时代。
Leadership is not about being in charge. It's about taking care of those in your charge.