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If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
如果人们不相信数学是简单的,那只是因为他们没有意识到生活有多么复杂。
我不会告诉他们裁员的事。如果病人得了癌症,你不会告诉他们。
Your self-worth is determined by you. You don't have to depend on someone telling you who you are.