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The world is full of people who have never, since childhood, met an open doorway with an open heart.

Looking back at the 21-year-old that I was at graduation, is a slightly uncomfortable experience for the 42-year-old that she has become. Half my lifetime ago, I was striking an uneasy balance between the ambition I had for myself, and what those closest to me expected of me.

We build not for today, but for how today will be remembered tomorrow.

大自然是最好的老師；它已經(jīng)做了實驗，我們只需要解讀它們。

The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!

"Stories are the way we make sense of the world."

道之外沒有其他事物，事物之外也沒有道。