分享是知识内化的途径，而行动是知识最终的意义
If you can’t explain it simply, you don’t understand it well enough.
—— Albert Einstein
The great end of life is not knowledge but action.
—— Thomas Henry Huxley
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Wall-E, R2-D2, BB-8, Tachikoma, Vector(Cozmo)
我要一所大房子，有很大的落地窗户 卧室里不放床，就睡在地板上 还要一面黑板墙，让我们随意涂