可持续性不再是一种选择，而是我们对后代的责任。
Sustainability is no longer an option; it's a responsibility we owe to future generations.
I am the only person in the world I should like to know thoroughly; but I don’t see any chance of it just at present.
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
“唯一真正无限的是人类的想象力。”