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You have to be willing to fail, to be wrong, to keep trying.
对付一个不自由的世界的方法,就是变得如此绝对自由,以至于你的存在本身就是一种反抗。
Mathematics is the language with which God has written the universe.
The greatest weakness of all is the great fear of appearing weak.
最好的策略是足够灵活以适应变化。