我们对宇宙了解得越多，就越意识到我们还有多少尚未发现的东西。
The more we learn about the universe, the more we realize how much we have yet to discover.
你没有第二次机会。生活不是任天堂游戏。
我不是创作关于死亡的艺术，而是创作关于生命的艺术。
我们不是从祖先那里继承地球；我们是从子孙那里借来的。
I’m positive that in 100 years much of what I take to be true today will be proved to be wrong， maybe even embarrassingly wrong， and I try really hard to identify what it is that I am wrong about today.