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做得越多,学得越多;学得越多,能做的就越多。
The more you do, the more you learn. The more you learn, the more you can do.
In mathematics, the journey from confusion to clarity is the most rewarding experience.
人类一向有这个独特之处:它保留了两套法则——一套私下的,一套真正的;一套公开的,一套矫揉造作的。