If you want to be the best, you have to do things that other people aren’t willing to do.

History is not the past. It is the present. We carry our history with us.

黑洞不仅仅是破坏性的怪物，它们在塑造星系中起着关键作用。

小农场不是遗迹，而是创新的实验室。

For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

白种人相信——全心全意地相信——他们有权夺取土地。

可持续性已不再是选择，而是我们对后代的责任。

要这样生活，仿佛你寿命永恒。要这样工作，仿佛你精力无穷。