农业的可持续性不是一种选择，而是为后代必须做的事情。
Sustainability in agriculture isn't an option—it's a necessity for future generations.
译文：国家已经残缺不全，总是需要去修补，为了国家牺牲自己怎敢吝惜生命。
领导力是关于创造更多的领导者，而不是更多的追随者。
People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, 'Soften the orange a bit on the right hand corner.' I don't try to control a sunset. I watch with awe as it unfolds.
Labor is the only source of wealth.
经验只是我们给错误取的名字。