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一個好的數學家是能看到定理之間類比的人；一個偉大的數學家是能看到類比之間的類比的人。

The key to risk management is prevention and early warning.

最具可持續性的農場是那些為幾代人著想的農場。

We are lonesome animals. We spend all our life trying to be less lonesome. One of our ancient methods is to tell a story begging the listener to say — and to feel — 'Yes, that's the way it is, or at least that's the way I feel it.'