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The greatest photographers are those who have learned to see the world as it is, and then to see it as it might be.

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

The real challenge is not just building climate models, but interpreting what they tell us.

You don't learn to walk by following rules. You learn by doing, and by falling over.

你叫不醒一個裝睡的人。