可持续性不是一种选择；它是农业前进的唯一道路。
Sustainability is not an option; it's the only path forward for agriculture.
To love means to open ourselves to the negative as well as the positive - to grief, sorrow, and disappointment as well as to joy, fulfillment, and an intensity of consciousness we did not know was possible before.
写作是理解世界的一种方式。
The first prerequisite of a sound foreign policy is a clear understanding of one's own values.
If you can imagine it, and believe it, you can achieve it.
永远不要停止问：“我们怎样才能做得更好？”