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The pursuit of knowledge in computer science is a journey through an infinite landscape of ideas.

One strategy: "We've had three big ideas at Amazon that we've stuck with for 18 years， and they're the reason we're successful: Put the customer first. Invent. And be patient."

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

光是建筑中最重要的材料。