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語出漢·桓寬《鹽鐵論·毀學》。壞話不說，壞事不干，可謂潔身自好。

Efficiency in extraction isn't just good for profits; it's good for the planet.

I never look back. I look forward to the next challenge.

What is broken can sometimes hold more meaning than what is whole.

統一自然界所有力的挑戰是幾十年來推動理論物理學發展的動力之一。