The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.

The art of life is to live in the present moment, and to make that moment as perfect as we can.

我们实现明天的唯一限制将是我们今天的疑虑。

地球是一个具有特定组织的宇宙个体，一个独特的实体。