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The past is never dead. It's not even past.

科學中的創新往往來自于以新的方式看待老問題。

Not for the sake of our health, though it's often presented that way, but because it's an escape from the human anthill. It's an escape from our own competition, and our own dramas. And that's why ween joy looking at glaciers and oceans, and contemplating the Earth from outside its perimeters, etc. We like to feel in contact with something that is non-human, and that is so deeply important to us.

I don't fear failure. I fear not trying.

一切并未失去。

勿羨慕那些生活在愚昧“天堂”的人們，因為只有愚人才認為那里是幸福的。