可持续性不是一种选择，而是农业唯一的出路。

Every line you draw is a moral decision.

我不怕失败，最怕的是没试过。

I declare after all there is no enjoyment like reading! How much sooner one tires of any thing than of a book!

剑鞘保护剑的锋利，自己却满足於它自己的迟钝。