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成功的真正標準不僅僅是財務表現，還有我們對社區和環境的影響。

"A good story can change the world, one reader at a time."

The challenge in learning is not just to memorize, but to generalize from specific examples to broader concepts.

Innovation in coal technology is just as important as innovation in any other energy sector.

The great challenge of the modern world is to create institutions that are strong enough to govern effectively but also accountable and responsive to the needs of citizens.

"The worst thing you can do to a writer is leave them alone."

The truth is never just one thing; it is always several things at once.