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I always tell my students that it's okay to make mistakes, as long as you learn from them.
真相很少是纯粹的,也从不简单。
我很幸运,无论内心有什么恐惧,我对胜利的渴望总是更强烈。
"The best way to learn mathematics is to do mathematics."
不要在你累的时候停下来。在你完成的时候停下来。