唯一比摇滚明星更糟糕的是有良知的摇滚明星。

Leadership means making tough decisions today that will pave the way for a better tomorrow.

我们不是从祖先那里继承了地球；我们是从子孙那里借来的。

"The only real failure in life is not to be true to the best one knows."

Sustainability isn't a trend—it's a responsibility we owe to future generations.

The universe will change if you bring up your children, in behavioristic fashion, to be unafraid.

I accept chaos, I’m not sure whether it accepts me.