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你唯一的限制是你给自己设定的那些。
People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, "Soften the orange a bit on the right hand corner." I don't try to control a sunset. I watch with awe as it unfolds.
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.