Profitability and sustainability must go hand in hand, or neither will last.

Innovation in forestry must balance economic growth with ecological preservation.《绿色未来》

The Fed put out the fire, but the house still needs rebuilding.

"No one can build you the bridge on which you, and only you, must cross the river of life."

我对人类的状况感兴趣，对活着的意义感兴趣，对存在的本质感兴趣。