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Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.

"I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish."

生物學的美在于它的復雜性和解決方案的優雅。

現實不是我們所看到的，而是我們通過藝術所發現的。

The farmer's best implement is his mind.