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数学中最深刻的思想往往来自最简单的问题。
The most profound ideas in mathematics often come from asking the simplest questions.
The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.
成功的真正标准是你为社会进步贡献了多少。
"We are all the heroes of our own stories."