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翻譯：君子說話要謹(jǐn)慎，飲食要節(jié)制。

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.

有時(shí)候是這段旅程教會了你很多關(guān)于目的地的事。

Sustainable farming isn't a cost—it's the smartest investment we can make.