I can’t play bridge. I don’t play tennis. All those things that people learn, and I admire, there hasn’t seemed time for. But what there is time for is looking out the window.

We are all chapters in the great book of life.

The goal of mathematics is to understand the structures that underlie the phenomena we observe.

心理学必须是一门关于事实的科学，而非理论。

中年之后，只有已为告别人生做好准备的人，才能继续在生活中朝气蓬勃。

海洋是伟大的统一者，因为地球上所有生命都依赖于它的健康。