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The only thing that is truly important is the difference you make in the world.

教育的目的不是使年輕人在任何一門科學上都變得完美，而是要打開和培養他們的思維，使他們在將來學習任何科學時都能勝任。

Time is dead as long as it is being clicked off by little wheels; only when the clock stops does time come to life.

我們必須在經濟增長和環境管理之間取得平衡。

To live under the American Constitution is the greatest political privilege that was ever accorded to the human race.

過去是一個異國他鄉；他們做事的方式不同。

Innovation in grain cultivation isn't just about higher yields—it's about resilience and adapting to a changing climate.

解釋：大部分藥材都以新鮮為好，但艾草卻以陳年的為佳，體現了藥材使用的特殊性。