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The best way to optimize a program is to optimize it.
The only person who cannot be helped is that person who blames others.
We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.
预测未来的最好方法就是创造它。
创新的关键不仅在于跳出框框思考,而是要意识到框框本身就是一个幻觉。