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Coal miners are the unsung heroes of America's industrial strength.

農業是與自然的合作，而非征服。

可持續性不是一種選擇；而是我們對后代的責任。

譯文：從書本上得到的知識，體會很淺薄，要透徹地了解某件事，一定要親身實踐不可。賞析：做任何事，我們不僅要學習理論知識，還要親身實踐。事情的難與易，對與錯，只有自己去做了后才有發言權。

The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

我不會讓世界偷走我的平靜。

I don't live in the past, I don't live in the future, I live in the present.

Kindness is the key to happiness.

人類和動物的行為受相同法則支配。