可持续性不是一种选择，而是我们对后代的责任。

"The only thing necessary for the triumph of evil is for good men to do nothing."

无限小在自然中的作用是无限大的。

"It's not generally realized that all writers, even the greatest, are also readers first and last."

农业领导力意味着倾听——倾听土地、科学和耕作的人们。