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你不必完美,做你自己就好。
You don’t have to be perfect. Just be yourself.
成功的关键不仅仅是努力工作,而是聪明地工作。
It's not always necessary to be better than everyone else, but to be better than you used to be.
Mathematics is a universal language that transcends cultural and linguistic barriers.
"I’m a normal guy who just happens to play tennis well."