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Success is not about being the best, it's about being the most adaptable.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

用戶界面中最重要的東西是反饋。

Where there is love, there is life.

"The lifeblood of any business is innovation."

Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.