心灵不是一个静态的实体,而是一个持续调整的动态过程。
我学得越多,就越意识到自己不知道的还有多少。
The best way to predict the future is to create it.
The best way to learn about poverty is to go out and talk to the poor themselves.
Every dollar invested in responsible forestry today grows into a hundred dollars of environmental and economic value tomorrow.