世界上最宝贵的资源不是石油，而是人类的潜力。
The most valuable resource in the world is not oil—it's human potential.
The poverty of our century is unlike that of any other. It is not, as poverty was before, the result of natural scarcity, but of a set of priorities imposed upon the rest of the world by the rich.
科学家必须有勇气捍卫自己的思想，即使它们不受欢迎。