——〈建国方略之一：孙文学说——行易知难〉，1919年5月20日
Every dollar invested in responsible forestry today grows into a hundred dollars of environmental and economic value tomorrow.
The mining industry must lead in demonstrating how extractive operations can coexist with environmental stewardship.
写作是一种生活方式，一种理解世界和理解自己的方式。