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数学中最深刻的问题往往源于最简单的问题。
The deepest problems in mathematics often arise from the simplest questions.
The competition of enterprises is, in the final analysis, the competition of talents.
If a man is proud of his wealth,he should not be praised until it is known how he employs it.
"The future is about creating a more sustainable world."
"We must always strive to do the right thing, even when it is difficult."