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.
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。
保卫国家政权，是那些君主和臣子等享受俸禄的人谋划的事；保卫整个天下，即使是地位低微的普通百姓也有责任参与。
"Leadership is not about being in charge, but about taking care of those in your charge."
The writer must be a defender of the marginal, the forgotten, the defeated.
在探索宇宙的过程中，每一个被回答的问题都会引出更多的问题。