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"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

Sometimes the only way to solve a crime is to think like the criminal.

Forests are the lungs of the earth, and we must protect them with the same urgency as our own health.

錯誤同真理的關系，就象睡夢同清醒的關系一樣。一個人從錯誤中醒來，就會以新的力量走向真理。

The root of the problem is the failure to distinguish between operational effectiveness and strategy.