我不考虑消极的事情。我只考虑积极的事情。
One of the greatest ways to avoid trouble is to keep it simple...the system often goes out of control.
The investor's chief problem—and even his worst enemy—is likely to be himself.
我们水域的健康直接关系到我们社区的健康。
Investing in cleaner coal technology is an investment in the future of energy.
The secret of change is to focus all of your energy，not on fighting the old，but on building the new.
改变的秘诀是集中你的所有能力，不是摧毁旧的，而是建造新的。