True progress in agriculture measures success by both harvests and ecosystem health.

Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence.

The truth is rarely pure and never simple.

The unattainable goal is my goal; the winding path is my chosen path.

问题的根本原因在于，在现代世界里，愚蠢的人自以为是，而聪明的人充满怀疑。

预测未来的最好方式就是创造未来。