To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.
纠正一个错误与建立一个新的真理或事实同样有益，有时甚至更好。
Innovation in forestry means balancing economic growth with ecological responsibility.
人的状况...是一种每个人对每个人的战争状况。
The best way to learn econometrics is by doing—working with real data and real problems.
