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To be brave is to love someone unconditionally, without expecting anything in return.
优秀的数学家应该既严谨又富有想象力。
学者学习古人,开始时接触到的是粗浅的内容,中期接触到精华,最终领悟到其神妙变化。
"The most important thing is to tell a good story. Everything else is secondary."
Cheerfulness is the best promoter of health.
故事是一种表达无法以其他方式表达的东西的方式。