The Indians could not undertake any widespread cultivation of the plains not only because they lacked iron tools but also because they had no draft animals.

-- Ellsworth Huntington 埃尔斯沃思·亨廷顿

印第安人不能在平原上进行广泛的耕作，不仅因为他们缺少铁制工具，而且因为他们没有役畜。

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Undertake Iron

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The horrors of the Second World War, the chilling winds of the Cold War and the crushing weight of the Iron Curtain are little more than fading memories. Ideals that once commanded great loyalty are now taken for granted.

第二次世界大战的恐怖、冷战的凛冽寒风和铁幕的重压，只不过是逐渐消逝的记忆。曾经要求高度忠诚的理想现在被认为是理所当然的。

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With audacity one can undertake anything, but not do everything.

有了胆识，一个人可以做任何事，但不能做任何事。

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Better when birds sing than where irons ring.

鸟儿歌唱时，胜过熨斗响时。

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