创新不仅仅是创造新事物；而是让现有的东西更好地运作。

真正的学者不在于知识渊博，而在于热爱真理并真诚追求。

忠于自己，永远不要让任何人改变你。

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

我想写一些让孩子们思考和感受的书。

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.