Sustainability in agriculture isn't an option—it's a necessity for future generations.

"Always assume there's a crisis around the corner."

宁可让儿童一个字也不识，也不要使他为了学到这一些学问而把其他有用的东西都牺牲了。

Internal mental events are irrelevant to the scientific study of behavior.

预测未来的最好方法就是创造未来。