可持续性不是选择，而是我们对后代的责任。

Every man has a right to his opinion, but no man has a right to be wrong in his facts.

Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.

真正的农业领导力意味着让土地比我们发现时更肥沃。

想象力比知识更重要。