We could not happily have remained ignorant forever... the significance of our lives and our fragile planet is then determined only by our own wisdom and courage.

我们不可能甘心情愿永远保持无知。……因此我们生命和我们这个易碎的星球的意义只能由我们自身的智慧和勇气来决定。

youdao

If we had been on the planet with left-handed coordinate systems then actually our conventions would be all the other way around, but they are this way.

如果是在一个习惯左手系的星球上，那样我们的习惯会完全相反，就是这样了。

youdao

If you happen to live in fear of asteroids, then here's a sobering fact for you: Our planet absorbs asteroid impacts like a truck grille eats bugs.

如果你在为小行星会不会撞击地球而忧心忡忡，那么你应当清楚这样一个事实：由于地球引力而引发的小行星撞击，就好比飞驰的卡车，车头前面的格栅总是在不断吞噬着迎面扑来的飞虫。

youdao

If our planet is in this severe situation, then our belief is that we should not be starting from scratch at investigating mitigation options.

CNN: Can Bill Gates stop hurricanes? Scientists doubt it

But if our concern is with saving lives and helping the planet's most vulnerable populations, then we need to focus first on how we can build more resilient, adaptable communities.

WSJ: Bj?rn Lomborg: Global Warming and Adaptability

If we cause catastrophe--by our rape of the planet, our failure to address a social problem or we anger a deity--then our generation becomes the most important to ever have lived.

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