Every dollar invested in responsible forestry today grows into a hundred dollars of environmental and economic value tomorrow.
文化適應(yīng)不是一個被動的過程，而是一個主動的過程，涉及技術(shù)和社會的創(chuàng)新。
A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
You have to be run by missionaries, not mercenaries.
"Fiction is the lie that tells the truth."