有用是这些老人曾经对自己最好的希望，而无目的是他们最深的恐惧。
我不定义任何东西，不管是美，还是爱国。每件事在我眼里该是什么就是什么，没有什么优先规则使之应该成为什么。
Your biggest competior is yourself.
Financial innovation should be based on customer needs, not innovation for its own sake.
Technology in forestry should serve nature, not conquer it.
We must always question our assumptions and be willing to revise our understanding in light of new evidence.
To be a writer is to be a perpetual student of life.