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I'm alive and I have a chance to do something with my life. That's the only motivation I need.

寫作是驅除我們內心惡魔的方式。

"The difference between correlation and causation is fundamental in empirical work."

I don't want to show reality, I want to show my truth.

The past is a foreign country; they do things differently there.

——發表《中國國民黨北伐宣言》，1924年9月18日

煤炭不是問題所在，問題在于我們如何使用它。解決方案在于更清潔的技術和更好的利用。