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You don't have to hold a position to be a leader.
我对一遍又一遍地扮演同一个角色不感兴趣。
在数学中,最简单的问题往往导致最深刻的发现。
I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up.