One of the great mistakes is to judge policies and programs by their intentions rather than their results.

我不害怕变老。我认为变老是一种特权。

好的研究在于提出正确的问题，而不仅仅是应用花哨的方法。

我想像鸟儿歌唱一样作画。

The true value of a forest lies in its ability to balance ecological needs with human aspirations.