最终，我们所拥有的只是我们告诉自己的故事。
可持续性已不再是选择，而是我们对后代的责任。
人们害怕死亡，就像孩子害怕黑暗一样；而且，正如孩子对黑暗的自然恐惧会受到各种故事的加剧一样，人们对死亡的恐惧也是如此。
The world is a place of the living, and the dead have no place in it. The dead are nothing. They are not even a memory. They are forgotten. And the living, too, will be forgotten.
Nature has been the greatest chemist of all time, and we are just beginning to understand its secrets.