真相很少是纯粹的，也从来不是简单的。

Knowledge is of no value unless you put it into practice.

The theatre is a place where one has time for the problems of people to whom one would show the door if they came to one's office for a job.

当我们讨论谷物品种时，我们不仅仅是在选择作物——我们是在培育气候适应力。