我们正处于历史上一个独特的阶段。我们从未如此清楚地意识到我们对地球所做的一切，也从未有过能力对此采取行动。
We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.
——抵日本神户时谈话，1895年11月12日
作家的任务是使不可见的变得可见。