人们并不懒惰。他们只是有无力的目标——也就是说，目标没有激励他们。
Every challenge is an opportunity to learn and improve.
新一代森林领导者必须像熟悉利润率一样熟悉生物多样性指标。
To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.
We do not observe the mind; the mind observes the world through us.
The best way to understand a culture is to read its stories.