Nature is the best teacher; it has already done the experiments, we just have to interpret them.

The system produces needs faster than it can satisfy them, and thus it perpetuates itself.

如果你没有至少90%的时间失败，那么你的目标还不够高。

历史学家的首要职责是忠于真相。

I believe that the personal is universal.

Education is the foundation upon which sustainable forestry is built.

我不敢说自己从未担心害怕过。 实际上我希望少一点担心害怕，因为它让我分心，使我焦虑。

思想掠过我的心上，如一群野鸭飞过天空。我听见它们鼓翼之声了。