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農業效率必須與生態限制相協調——我們無法超越自然。

We shouldn't teach great books; we should teach a love of reading.

Courage is not the absence of fear, but the triumph over it.

過去并未死去；它甚至還未過去。

I'm a true believer that if you stay ready, you don't have to get ready.

Leaders must be willing to take risks if they want to create meaningful change.