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每个人都有两次生命,第二次开始于他意识到自己只有一次生命的时候。
Our descendants will achieve things that will amaze us, yet a portion of what they will create could have been made with today’s materials and tools if we had had the imagination. Think bigger.
这就是学习。你突然以一种新的方式理解了你一生都在理解的东西。