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To win you have to believe you are the best. If you're not, pretend you are.
要赢得比赛,你必须相信自己是最好的。如果不是,那就假装是。
The study of mathematics is like air or water to the development of science.
Illustrations should not just decorate the text; they should expand it.
你唯一的限制就是你相信的限制。