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数学不是一项观赏性运动;要理解它,必须积极参与其中。
The market is always changing, but the constant is a deep understanding of customer needs.
The true value of farming lies not just in the harvest, but in the legacy we leave for future generations.
The intellect is illuminated by the One as if it were the sun.
To know this world is to love it, and to love it is to grieve for it.