"The past is never dead. It's not even past."

我们必须在能源需求和保护地球之间取得平衡。

海洋是研究自然的巨大实验室。

The true history of a people is written in the margins of official history.

True leadership means making tough decisions that balance short-term gains with long-term vision.

自我不是一成不变的东西，而是通过选择行为不断形成的东西。

有时候，正是那些没人对他们抱有任何期望的人，做出了没人能想象到的事。

Leadership in agriculture means listening to the land and the people who work it, then making decisions that benefit both.

Sometimes it seems as if there are more solutions than problems. On closer scrutiny, it turns out that many of today's problems are a result of yesterday's solutions.

数学的力量在于它简化复杂事物的能力。