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農民是土地真正的守護者；他們的角色現在比以往任何時候都更為關鍵。

The only way to do great work is to love what you do.

If you believe that every life has equal value, it's revolting to learn that some lives are seen as worth saving and others are not. We said to ourselves: "This can't be true. But if it is true, it deserves to be the priority of our giving."

The biggest weapon against stress is our ability to choose one thought over another.

The only limits that exist are the ones you place on yourself.

粒子的概念只是近似的，并且只有在動量較小的極限下才有意義。

The most successful societies in the future will be those that are able to combine the strengths of both the state and the market.

沒有人能為你建造那座你必須獨自跨越生命之河的橋梁。